{"id":283987,"date":"2026-09-07T11:38:29","date_gmt":"2026-09-07T09:38:29","guid":{"rendered":"https:\/\/cjays.eu\/kenniscentrum\/algemeen\/difference-e6011-e6013-e7018-stainless-cast-iron-electrodes\/"},"modified":"2026-09-07T11:38:56","modified_gmt":"2026-09-07T09:38:56","slug":"difference-e6011-e6013-e7018-stainless-cast-iron-electrodes","status":"publish","type":"cjays_knowledge","link":"https:\/\/cjays.eu\/en\/kenniscentrum\/buying-advice\/difference-e6011-e6013-e7018-stainless-cast-iron-electrodes\/","title":{"rendered":"What is the difference between the most common stick electrodes?"},"content":{"rendered":"<p>In electrode welding you will encounter types such as E6010, E6011, E6013, E7016, E7018 and E7024. In addition, special electrodes exist for stainless steel, cast iron, high strength steel and welding.<\/p>\n<p>These electrodes differ not only in strength, but mainly in:<\/p>\n<ul>\n<li>Upholstery<\/li>\n<li>Arch Character<\/li>\n<li>penetration<\/li>\n<li>slag formation<\/li>\n<li>Weld position<\/li>\n<li>Flow type and polarity<\/li>\n<li>Hydrogen content<\/li>\n<li>Mechanical properties<\/li>\n<li>base material<\/li>\n<\/ul>\n<p>So an E7018 is not simply a better E6013. Both electrodes have been developed for a different kind of work.<\/p>\n<h2>The main electrodes in one overview<\/h2>\n<div class=\"ckc-table-wrap\">\n<table>\n<thead>\n<tr>\n<th>Electrode<\/th>\n<th>Appearances \/ Type<\/th>\n<th>Main property<\/th>\n<th>Common application<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>E6010<\/td>\n<td>Cellulose<\/td>\n<td>Very deep penetration<\/td>\n<td>Pipe welding, root welding<\/td>\n<\/tr>\n<tr>\n<td>E6011<\/td>\n<td>Cellulose<\/td>\n<td>Deep penetration, also AC<\/td>\n<td>Repair, assembly, outside<\/td>\n<\/tr>\n<tr>\n<td>E6013<\/td>\n<td>Rutiel<\/td>\n<td>Soft, simple bow<\/td>\n<td>General work, thinner steel<\/td>\n<\/tr>\n<tr>\n<td>E7014<\/td>\n<td>Rutile + iron powder<\/td>\n<td>Higher melts down<\/td>\n<td>Production General Welding<\/td>\n<\/tr>\n<tr>\n<td>E7016<\/td>\n<td>Basic \/ low hydrogen<\/td>\n<td>Good mechanical properties<\/td>\n<td>structural fabrication<\/td>\n<\/tr>\n<tr>\n<td>E7018<\/td>\n<td>Basic + iron powder, low hydrogen<\/td>\n<td>Constructive and critical welding<\/td>\n<td>Steel construction, heavy repair<\/td>\n<\/tr>\n<tr>\n<td>E7024<\/td>\n<td>Lots of iron powder<\/td>\n<td>Very high melts down<\/td>\n<td>Flat\/horizontal layouts<\/td>\n<\/tr>\n<tr>\n<td>E308L-16<\/td>\n<td>stainless steel<\/td>\n<td>304\/304L family<\/td>\n<td>Austenitic stainless steel<\/td>\n<\/tr>\n<tr>\n<td>E309L-16<\/td>\n<td>stainless steel<\/td>\n<td>High Cr\/Ni<\/td>\n<td>stainless steel steel, buffer layer<\/td>\n<\/tr>\n<tr>\n<td>E316L-16<\/td>\n<td>stainless steel with Mo<\/td>\n<td>316\/316L<\/td>\n<td>Corrosion Resistant stainless steel<\/td>\n<\/tr>\n<tr>\n<td>ENi-CI<\/td>\n<td>Nickel cast iron<\/td>\n<td>Good editability<\/td>\n<td>Cast iron repair<\/td>\n<\/tr>\n<tr>\n<td>ENiFe-CI<\/td>\n<td>Nickel iron<\/td>\n<td>Stronger cast iron connection<\/td>\n<td>cast iron \/ steel combinations<\/td>\n<\/tr>\n<tr>\n<td>Hardfacing<\/td>\n<td>Alloy dependent<\/td>\n<td>Wear-resistant surface<\/td>\n<td>Merge<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2>What do the numbers on an E6013 or E7018 electrode mean?<\/h2>\n<p>The AWS classification already tells a lot about the electrode.<\/p>\n<p>Take E7018 as an example.<\/p>\n<ul>\n<li>E = electrode<\/li>\n<li>70 = minimum tensile strength class of approximately 70 ksi<\/li>\n<li>1 = suitable for all standard welding positions according to the classification<\/li>\n<li>8 = type of upholstery and suitable current\/polarity<\/li>\n<\/ul>\n<p>For additional indications such as E7018-1 H4R, the additional codes provide information on shear strength, diffuseable hydrogen and moisture resistance. B\u00f6hler also uses this classification structure in his selection manual.<\/p>\n<h2>What does E60 mean to E70?<\/h2>\n<p>The first two digits indicate the minimum tensile strength class of the fused weld metal within this AWS classification.<\/p>\n<ul>\n<li>E60xx \u2192 About 60 ksi<\/li>\n<li>E70xx \u2192 About 70 ksi<\/li>\n<\/ul>\n<p>That doesn&#x27;t mean you always have to choose E70.<\/p>\n<p>The filler metal must fit:<\/p>\n<ul>\n<li>base material<\/li>\n<li>Construction requirements<\/li>\n<li>WPS<\/li>\n<li>Toughness<\/li>\n<li>Weld position<\/li>\n<li>Hydrogen requirements<\/li>\n<\/ul>\n<h2>What is E6010?<\/h2>\n<p>E6010 is a cellulose electrode with a very powerful, deep penetrating arc.<\/p>\n<p>The electrode is usually used on DCEP, electrode positive.<\/p>\n<p>E6010 is known for a digging arc: a sharp arc that cuts deep into the base material.<\/p>\n<h2>What do you use E6010 for?<\/h2>\n<ul>\n<li>Pipe welding<\/li>\n<li>Root welding<\/li>\n<li>Pipework<\/li>\n<li>Vertical welding<\/li>\n<li>Assembly<\/li>\n<li>Work where deep penetration is desired<\/li>\n<\/ul>\n<p>ESAB specifically mentions E6010 as an electrode for pipe welding and vertical welding, while Hobart also mentions deep penetration and cellulose coating.<\/p>\n<h2>Why is E6010 used so much in pipe welding?<\/h2>\n<p>The fast-closing slag and powerful arc give the welder a lot of control over the weld pool.<\/p>\n<p>This makes E6010 suitable for techniques where:<\/p>\n<ul>\n<li>Root welding is important<\/li>\n<li>Vertical progress required<\/li>\n<li>An open root is welded<\/li>\n<li>Strong penetration desired<\/li>\n<\/ul>\n<h2>Can any electrode welding device be welding E6010?<\/h2>\n<p>No.<\/p>\n<p>E6010 sets relatively high demands on the arc characteristic of the power source.<\/p>\n<p>Not every compact inverter can maintain an E6010 arch.<\/p>\n<p>Therefore, check that the manufacturer explicitly mentions support for cellulose electrodes or E6010.<\/p>\n<h2>What is E6011?<\/h2>\n<p>E6011 is very similar to E6010.<\/p>\n<p>Also E6011 is a cellulose electrode with deep penetration.<\/p>\n<p>The big practical difference is that E6011 can also be used well on AC.<\/p>\n<p>Hobart specifies E6011 as suitable for AC or DCEP and describes penetration as similar to E6010.<\/p>\n<h2>What do you use E6011 for?<\/h2>\n<ul>\n<li>Repair<\/li>\n<li>Agriculture<\/li>\n<li>Maintenance<\/li>\n<li>Outdoor work<\/li>\n<li>Assembly<\/li>\n<li>Steel that is not perfectly clean<\/li>\n<li>Machines with AC output<\/li>\n<\/ul>\n<h2>Can E6011 weld over rust or paint?<\/h2>\n<p>E6011 can be more tolerant for less clean steel than, for example, a basic E7018.<\/p>\n<p>However, this does not mean that material preparation is not necessary.<\/p>\n<p>Delete where possible:<\/p>\n<ul>\n<li>Oil<\/li>\n<li>Fat<\/li>\n<li>Fat rust<\/li>\n<li>Paint<\/li>\n<li>Fluid<\/li>\n<li>Dirty<\/li>\n<\/ul>\n<p>An electrode with strong penetration is not a replacement for a well prepared welding seam.<\/p>\n<h2>What is the difference between E6010 and E6011?<\/h2>\n<div class=\"ckc-table-wrap\">\n<table>\n<thead>\n<tr>\n<th>E6010<\/th>\n<th>E6011<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Cellulose<\/td>\n<td>Cellulose<\/td>\n<\/tr>\n<tr>\n<td>Very deep penetration<\/td>\n<td>Deep penetration<\/td>\n<\/tr>\n<tr>\n<td>Especially DCEP<\/td>\n<td>AC and DCEP<\/td>\n<\/tr>\n<tr>\n<td>Strong in pipeline\/root<\/td>\n<td>Strong in repair and assembly<\/td>\n<\/tr>\n<tr>\n<td>Sets higher demands on machine<\/td>\n<td>Often easier on older AC machines<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>For an AC transformer, E6011 is often more practical than E6010.<\/p>\n<h2>What is E6013?<\/h2>\n<p>E6013 is a rutile electrode and probably one of the most famous electrodes for general welding.<\/p>\n<p>The bow is much softer and quieter than with E6010 or E6011.<\/p>\n<p>Hobart describes E6013 as an electrode with a soft, smooth bow, easy snail removal and relatively light penetration.<\/p>\n<h2>What do you use E6013 for?<\/h2>\n<ul>\n<li>General steel work<\/li>\n<li>Hobby<\/li>\n<li>Repairs<\/li>\n<li>Thinner material<\/li>\n<li>Gatework<\/li>\n<li>Light constructions<\/li>\n<li>Workshop use<\/li>\n<\/ul>\n<h2>Why is E6013 popular with beginners?<\/h2>\n<p>Because the electrode usually:<\/p>\n<ul>\n<li>Easy to ignite<\/li>\n<li>A quiet bow has<\/li>\n<li>Beautiful weld beads can give<\/li>\n<li>Little aggressive penetration has<\/li>\n<li>On many simple welding machines works<\/li>\n<\/ul>\n<p>ESAB also calls E6013 a popular universal choice for novice electrode welders.<\/p>\n<h2>Is E6013 suitable for thin steel?<\/h2>\n<p>Well, relatively speaking, yes.<\/p>\n<p>Due to the soft arc and less aggressive penetration E6013 can be more comfortable on thin material than a cellulose electrode.<\/p>\n<p>However, stick welding remains less sophisticated for very thin sheet metal work than for example MIG\/MAG.<\/p>\n<h2>Is E6013 suitable for heavy steel constructions?<\/h2>\n<p>Not automatically.<\/p>\n<p>For simple constructions, E6013 can work fine, but critical or certified structural fabrication often requires low-hydrogen electrodes such as E7018.<\/p>\n<p>Hobart explicitly points out that E6013 is not recommended for many critical structural applications, including due to missing required shearing performance for such applications.<\/p>\n<h2>What is E7014?<\/h2>\n<p>E7014 looks like welding characteristics, but contains more iron powder in the upholstery.<\/p>\n<p>This allows more material to be melted down per unit of time.<\/p>\n<p>Hobart describes E7014 as an iron powder-rutile electrode with higher deposition rate than E6013.<\/p>\n<h2>What do you use E7014 for?<\/h2>\n<ul>\n<li>Frames<\/li>\n<li>Machine frames<\/li>\n<li>General production work<\/li>\n<li>Thicker sheet metal work<\/li>\n<li>Work where a quiet bow and higher melt down are desired<\/li>\n<\/ul>\n<h2>Is E7014 the same as E7018?<\/h2>\n<p>No.<\/p>\n<p>Both fall into a 70 ksi class, but the upholstery and application are clearly different.<\/p>\n<p>E7014 is more of a productive rutile\/iron powder electrode.<\/p>\n<p>E7018 is an low-hydrogen basic electrode for much heavier and more critical structural fabrication.<\/p>\n<h2>What is E7016?<\/h2>\n<p>E7016 is a basic coated low-hydrogen electrode.<\/p>\n<p>It is less commonly mentioned than E7018, but is widely used for structural steel and certain pipe and high-quality applications.<\/p>\n<p>For example, ESAB classifys OK 53.05 as E7016 with basic upholstery, while B\u00f6hler performs multiple E7016 variants for pipeline and construction applications.<\/p>\n<h2>What is the difference between E7016 and E7018?<\/h2>\n<p>Both are low-hydrogen electrodes.<\/p>\n<p>The main difference is in the exact coating composition, iron powder content, welding characteristics and classification.<\/p>\n<p>E7018 contains typically iron powder in the low hydrogen coating and is very widely incorporated as a construction electrode.<\/p>\n<p>E7016 is also specifically prescribed in certain markets, pipe applications and WPS&#x27;s.<\/p>\n<h2>What is E7018?<\/h2>\n<p>E7018 is one of the most important electrodes for professional steel construction work.<\/p>\n<p>It is an low-hydrogen base electrode with iron powder in the upholstery.<\/p>\n<p>Hobart describes E7018 as low hydrogen, medium penetration and suitable for AC or DCEP, depending on the exact product.<\/p>\n<h2>What do you use E7018 for?<\/h2>\n<ul>\n<li>Steel structures<\/li>\n<li>Heavy structural fabrication<\/li>\n<li>Shipbuilding<\/li>\n<li>Mechanical engineering<\/li>\n<li>Pressure-bearing work where prescribed<\/li>\n<li>Heavy Repair<\/li>\n<li>Critical welding compounds<\/li>\n<li>Work with hydrogen and toughness requirements<\/li>\n<\/ul>\n<h2>Why is E7018 so popular in steel construction?<\/h2>\n<p>Because E7018 can offer a good combination of:<\/p>\n<ul>\n<li>Low amount of diffuser hydrogen<\/li>\n<li>Good mechanical properties<\/li>\n<li>Good toughness<\/li>\n<li>Fairly high deposition rate<\/li>\n<li>Quiet bow<\/li>\n<li>Good weldability in multiple positions<\/li>\n<\/ul>\n<p>Therefore, E7018 is a common choice for professional steel constructions.<\/p>\n<h2>What does low hydrogen mean?<\/h2>\n<p>Hydrogen in weld metal can contribute to hydrogen cracks in sensitive steels, also known as cold cracks.<\/p>\n<p>Low hydrogen electrodes have been developed to reduce the amount of diffuseable hydrogen in the weld metal.<\/p>\n<p>That advantage will only be retained if the electrodes are stored correctly.<\/p>\n<h2>Why should E7018 be stored dry?<\/h2>\n<p>The upholstery can absorb moisture.<\/p>\n<p>This can increase the amount of hydrogen released during welding.<\/p>\n<p>For critical applications, E7018 electrodes are therefore often from:<\/p>\n<ul>\n<li>Vacuum packaging<\/li>\n<li>Drying cabinet<\/li>\n<li>Electrode furnace<\/li>\n<\/ul>\n<p>used as prescribed by the manufacturer.<\/p>\n<p>In its storage advice, ESAB clearly distinguishes low-hydrogen electrodes such as E7016\/E7018 and cellulose or rutile electrodes.<\/p>\n<h2>Can wet E7018 electrodes simply be dried?<\/h2>\n<p>Sometimes redrying may be possible according to the manufacturer&#x27;s instructions.<\/p>\n<p>However, never use any random oven temperature.<\/p>\n<p>The correct temperature and time depend on:<\/p>\n<ul>\n<li>Electrode<\/li>\n<li>Manufacturer<\/li>\n<li>Upholstery<\/li>\n<li>Fluid load<\/li>\n<li>Approvals<\/li>\n<\/ul>\n<p>Therefore, always follow the product datasheet.<\/p>\n<h2>What do H4 and H8 mean at E7018?<\/h2>\n<p>These indications refer to the maximum classified level of diffuseable hydrogen in the fused weld metal.<\/p>\n<p>A lower H-number means a stricter hydrogen class.<\/p>\n<p>For example, he uses E7018 H4R and E7018-1 H4 classifications in his current range.<\/p>\n<h2>What does R mean at E7018 H4R?<\/h2>\n<p>The R indicates additional requirements for reduced moisture absorption of the coating in AWS classification.<\/p>\n<p>This does not mean that the electrode can remain in damp air indefinitely.<\/p>\n<h2>What is E7024?<\/h2>\n<p>E7024 is an iron powder-rich electrode that is mainly developed for very high deposition rate.<\/p>\n<p>Hobart describes E7024 as a high-speed electrode for flat welding and horizontal hoe classes.<\/p>\n<h2>What do you use E7024 for?<\/h2>\n<ul>\n<li>Long How-Classes<\/li>\n<li>Flat welding<\/li>\n<li>Horizontal welding<\/li>\n<li>Production work<\/li>\n<li>Heavy sheet metal work<\/li>\n<li>Work where a lot of weld metal has to be applied quickly<\/li>\n<\/ul>\n<h2>Why is E7024 also called a drag electrode?<\/h2>\n<p>Due to the thick coating and the iron powder, the electrode can almost be dragged onto the workpiece with suitable welding.<\/p>\n<p>As a result, a very high deposition rate can be achieved.<\/p>\n<h2>Is E7024 suitable for vertical or upper hand?<\/h2>\n<p>Not in the usual classification.<\/p>\n<p>E7024 is mainly intended for flat and horizontal positions.<\/p>\n<h2>Choose E6013 or E7018?<\/h2>\n<div class=\"ckc-table-wrap\">\n<table>\n<thead>\n<tr>\n<th>E6013<\/th>\n<th>E7018<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Rutiel<\/td>\n<td>Basic layer of hydrogen<\/td>\n<\/tr>\n<tr>\n<td>Easy to weld<\/td>\n<td>More storage discipline<\/td>\n<\/tr>\n<tr>\n<td>Soft bow<\/td>\n<td>Stronger constructive focus<\/td>\n<\/tr>\n<tr>\n<td>Slight general work<\/td>\n<td>Heavy\/critical structural fabrication<\/td>\n<\/tr>\n<tr>\n<td>Good beginner electrode<\/td>\n<td>Professional construction electrode<\/td>\n<\/tr>\n<tr>\n<td>Less penetration<\/td>\n<td>Medium penetration<\/td>\n<\/tr>\n<tr>\n<td>Less critical in dry storage<\/td>\n<td>Dry storage essential<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2>Choose E6011 or E6013?<\/h2>\n<div class=\"ckc-table-wrap\">\n<table>\n<thead>\n<tr>\n<th>E6011<\/th>\n<th>E6013<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Cellulose<\/td>\n<td>Rutiel<\/td>\n<\/tr>\n<tr>\n<td>Deep penetration<\/td>\n<td>Lighter penetration<\/td>\n<\/tr>\n<tr>\n<td>Aggressive arc<\/td>\n<td>Soft bow<\/td>\n<\/tr>\n<tr>\n<td>Repair and outside work<\/td>\n<td>Workshop and Light structural fabrication<\/td>\n<\/tr>\n<tr>\n<td>Tolerant for less clean steel<\/td>\n<td>I prefer clean material<\/td>\n<\/tr>\n<tr>\n<td>AC \/ DCEP<\/td>\n<td>Common AC \/ DCEP \/ DCEN dependent product<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2>Choose E6011 or E7018?<\/h2>\n<p>Use E6011 especially when you need an aggressive, deep penetrating electrode for repair, assembly or less ideally prepared work.<\/p>\n<p>Use E7018 especially when low hydrogen, mechanical properties and constructive reliability are important.<\/p>\n<h2>Which electrode is best for beginners?<\/h2>\n<p>For ordinary steelwork, E6013 is often the easiest start.<\/p>\n<p>The soft bow and simple ignition make this electrode pleasant to learn the basics of MMA welding.<\/p>\n<p>That doesn&#x27;t mean that E6013 is the best electrode for every project.<\/p>\n<h2>Which electrode is best for heavy structural fabrication?<\/h2>\n<p>For many professional structural fabrication E7018 is a very important standard electrode.<\/p>\n<p>When an WPS or standard prescribes a different classification, it is of course leading.<\/p>\n<h2>Which electrode is best for old and rusty steel?<\/h2>\n<p>E6011 can be more tolerant to light surface contamination than E6013 or E7018 due to its powerful cellulose arc.<\/p>\n<p>But also for E6011:<\/p>\n<p>As clean as possible welding remains better.<\/p>\n<h2>What electrode do you use for pipe welding?<\/h2>\n<p>For pipe welding, depending on procedure, the following are used:<\/p>\n<ul>\n<li>E6010<\/li>\n<li>E7010<\/li>\n<li>E7016<\/li>\n<li>E7018<\/li>\n<li>Other specialised pipe electrodes<\/li>\n<\/ul>\n<p>E6010 is best known for root and pipeline work due to its deep penetration and fast clotting welding bath.<\/p>\n<h2>What are stainless steel electrodes?<\/h2>\n<p>stainless steel electrodes are coated electrodes whose weld metal is alloyed to stainless steel.<\/p>\n<p>The main species are similar to the well-known stainless steel welding wire classifications.<\/p>\n<ul>\n<li>E308L-16<\/li>\n<li>E309L-16<\/li>\n<li>E316L-16<\/li>\n<li>E347-16<\/li>\n<li>Duplex electrodes<\/li>\n<li>Special repair electrodes<\/li>\n<\/ul>\n<h2>What is E308L-16?<\/h2>\n<p>E308L-16 is a common austenitic stainless steel electrode for 304\/304L-like materials.<\/p>\n<p>For example, ESAB specifies its OK 308L as E308L-16 for 19Cr10Ni type stainless steel.<\/p>\n<h2>What do you use E308L-16 for?<\/h2>\n<ul>\n<li>AISI 304<\/li>\n<li>AISI 304L<\/li>\n<li>18\/8 stainless steel<\/li>\n<li>General austenitic stainless steel structures<\/li>\n<\/ul>\n<h2>What is E316L-16?<\/h2>\n<p>E316L-16 is intended for many 316\/316L-like Cr-Ni-Mo-stainless steel species.<\/p>\n<p>The molybdenum in this alloy family helps to better connect corrosion properties to 316-base material.<\/p>\n<h2>What is E309L-16?<\/h2>\n<p>E309L-16 contains more chromium and nickel and is widely used for uneven compounds.<\/p>\n<p>An important application is:<\/p>\n<p>stainless steel to ordinary steel welding.<\/p>\n<p>ESAB mentions E309L-16 for connections between carbon steel and stainless steel and for first layers at clading.<\/p>\n<h2>Which stainless steel electrode do you use for stainless steel steel?<\/h2>\n<p>For many normal connections between austenitic stainless steel and carbon steel, E309L-16 is a widely used choice.<\/p>\n<p>For special alloys, another electrode may be needed.<\/p>\n<h2>What does -16 mean for stainless steel electrodes?<\/h2>\n<p>The suffix -16 provides information about the upholstery and usage characteristic.<\/p>\n<p>B\u00f6hler describes -16 and -17 as rutile types of use with bogstabilizing elements where AC may be possible, while -15 is a basic DCEP type.<\/p>\n<h2>What are cast iron electrodes?<\/h2>\n<p>cast iron often requires a completely different filler metal than ordinary structural steel.<\/p>\n<p>Common cast iron electrodes therefore contain nickel.<\/p>\n<ul>\n<li>ENi-CI<\/li>\n<li>ENiFe-CI<\/li>\n<li>Other specialised cast iron alloys<\/li>\n<\/ul>\n<h2>What is ENi-CI?<\/h2>\n<p>ENi-CI is a high- nickel electrode for cast iron.<\/p>\n<p>AWS A5.15 specifies ENi-CI with a very high nickel content. For this class Hobart mentions at least about 85% Ni in the weld metal.<\/p>\n<h2>What do you use ENi-CI for?<\/h2>\n<p>This electrode is widely used when:<\/p>\n<ul>\n<li>Gray cast iron repairing<\/li>\n<li>Good spruce is desired<\/li>\n<li>Relatively soft welds are desired<\/li>\n<li>Machinal post-processing required<\/li>\n<\/ul>\n<h2>What is ENiFe-CI?<\/h2>\n<p>ENiFe-CI is a nickel-iron cast iron electrode.<\/p>\n<p>It contains less nickel and more iron than ENi-CI.<\/p>\n<p>For ENiFe-CI, Hobart indicates a nickel range of approximately 45 to 60% within AWS A5.15.<\/p>\n<h2>What do you use ENiFe-CI for?<\/h2>\n<ul>\n<li>Heavy duty cast iron repairs<\/li>\n<li>Nodular cast iron depending on procedure<\/li>\n<li>cast iron of steel in certain applications<\/li>\n<li>Connections where more strength is required<\/li>\n<li>Thicker castings<\/li>\n<\/ul>\n<h2>Choose ENi-CI or ENiFe-CI?<\/h2>\n<div class=\"ckc-table-wrap\">\n<table>\n<thead>\n<tr>\n<th>ENi-CI<\/th>\n<th>ENiFe-CI<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Very high nickel<\/td>\n<td>Nickel iron<\/td>\n<\/tr>\n<tr>\n<td>Very good spruce<\/td>\n<td>Stronger weld possible<\/td>\n<\/tr>\n<tr>\n<td>Often more expensive<\/td>\n<td>Often cheaper<\/td>\n<\/tr>\n<tr>\n<td>Lots of grey cast iron<\/td>\n<td>Heavy duty repair work<\/td>\n<\/tr>\n<tr>\n<td>Softer weld metal<\/td>\n<td>Harder\/stronger weld metal<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>The exact choice largely depends on the type of cast iron and the repair method.<\/p>\n<h2>Can cast iron be welded with E6013?<\/h2>\n<p>Sometimes you can see repairs done with ordinary steel electrodes, but that does not make E6013 a generally suitable cast iron electrode.<\/p>\n<p>cast iron has a high carbon content and is sensitive to:<\/p>\n<ul>\n<li>Hard zones<\/li>\n<li>Tearing<\/li>\n<li>Tensions<\/li>\n<li>Frostness<\/li>\n<\/ul>\n<p>In serious repairs, use an filler metal and procedure that matches the cast iron.<\/p>\n<h2>Should cast iron be preheated?<\/h2>\n<p>That depends on:<\/p>\n<ul>\n<li>Type cast iron<\/li>\n<li>Size of the component<\/li>\n<li>Electrode<\/li>\n<li>Repair method<\/li>\n<li>heat input<\/li>\n<li>Geometry<\/li>\n<\/ul>\n<p>Some repairs are preheated, others consciously with a cold welding technology and very short welding.<\/p>\n<p>Follow the electrode supplier&#x27;s procedure.<\/p>\n<h2>What&#x27;s a readout electrode?<\/h2>\n<p>A welding electrode, also called hard-facing electrode, is not primarily intended to connect two components.<\/p>\n<p>The goal is to apply a new surface layer that is more resistant to wear.<\/p>\n<h2>What do you use welding electrodes for?<\/h2>\n<ul>\n<li>Digging troughs<\/li>\n<li>Teeth<\/li>\n<li>Breakers<\/li>\n<li>Agricultural machinery<\/li>\n<li>Rolls<\/li>\n<li>Axes<\/li>\n<li>Transport rollers<\/li>\n<li>Knives<\/li>\n<li>Wearing plates<\/li>\n<li>Machinery parts<\/li>\n<\/ul>\n<h2>Are all the readout electrodes the same?<\/h2>\n<p>Absolutely not.<\/p>\n<p>The alloy is chosen according to the type of wear and tear.<\/p>\n<h2>What types of wear and tear exist?<\/h2>\n<ul>\n<li>Abrasion by sand, stone or minerals<\/li>\n<li>Impact \/ impact load<\/li>\n<li>Metal-to-metal wear<\/li>\n<li>High temperature<\/li>\n<li>Corrosive wear<\/li>\n<li>Combinations of these<\/li>\n<\/ul>\n<h2>Is the hardest readout electrode always the best?<\/h2>\n<p>No.<\/p>\n<p>An extremely hard layer can be very good against abrasion but it is brittle at heavy impact load.<\/p>\n<p>A slightly softer and tougher layer can last much longer.<\/p>\n<p>So don&#x27;t just choose the highest HRC number.<\/p>\n<h2>What does HRC mean for welding electrodes?<\/h2>\n<p>HRC refers to Rockwell C hardness.<\/p>\n<p>The higher the number, the harder the material is usually.<\/p>\n<p>But wear resistance is not just hardness.<\/p>\n<h2>What&#x27;s a buffer layer?<\/h2>\n<p>For hardfacing, a tough intermediate layer is sometimes applied to the base material.<\/p>\n<p>On top of that comes the hard wear layer.<\/p>\n<p>This may help to:<\/p>\n<ul>\n<li>Reduce tears<\/li>\n<li>Tensions to catch<\/li>\n<li>Different alloys to combine<\/li>\n<li>Better support the hard end layer<\/li>\n<\/ul>\n<h2>Which electrodes do you use for high strength steel?<\/h2>\n<p>For high strength steel there are special low hydrogen electrodes with higher classifications than E7018.<\/p>\n<p>Examples may vary depending on the application:<\/p>\n<ul>\n<li>E8018<\/li>\n<li>E9018<\/li>\n<li>E10018<\/li>\n<li>Other low-alloy electrodes<\/li>\n<\/ul>\n<p>These must be deliberately tuned to the base material and the WPS.<\/p>\n<h2>Is E8018 just better than E7018?<\/h2>\n<p>No.<\/p>\n<p>E8018 belongs to a higher tensile strength class.<\/p>\n<p>On a normal structural steel a too strong filler metal can even be undesirable.<\/p>\n<p>Overmatching is not always technically beneficial.<\/p>\n<h2>Which electrode do you use for Corten \/ weatherproof steel?<\/h2>\n<p>For resilient steel, specific alloy electrodes exist to support mechanical properties and weather resistance.<\/p>\n<p>For less critical compounds, depending on base material and procedure, a standard construction electrode can sometimes be used, but for visible or certified weatherproof structures the correct alloy must be chosen.<\/p>\n<h2>Which electrode do you use for spring steel or tool steel?<\/h2>\n<p>Do not use E7018 or stainless steel 312 automatically.<\/p>\n<p>These steels may:<\/p>\n<ul>\n<li>High carbon content<\/li>\n<li>Strong hardness<\/li>\n<li>Tear sensitivity<\/li>\n<li>Need pre-warming<\/li>\n<li>Require specific filler metal<\/li>\n<\/ul>\n<p>Material identification is essential here.<\/p>\n<h2>Which electrode diameter should you choose?<\/h2>\n<p>Common diameters are:<\/p>\n<ul>\n<li>1.6 mm<\/li>\n<li>2.0 mm<\/li>\n<li>2.5 mm<\/li>\n<li>3.2 mm<\/li>\n<li>4.0 mm<\/li>\n<li>5.0 mm<\/li>\n<li>6.0 mm for heavier applications<\/li>\n<\/ul>\n<h2>What diameter is suitable for a small machine?<\/h2>\n<p>For compact 160 to 200 A machines are mainly:<\/p>\n<ul>\n<li>2.0 mm<\/li>\n<li>2.5 mm<\/li>\n<li>3.2 mm<\/li>\n<\/ul>\n<p>common sizes.<\/p>\n<p>A 4.0 mm electrode explicitly requires more power and can bring a small machine to its power limit faster.<\/p>\n<h2>How many amps does an electrode need?<\/h2>\n<p>There is no universal ampere value only based on diameter.<\/p>\n<p>The catchment area also depends on:<\/p>\n<ul>\n<li>Electrode Type<\/li>\n<li>Upholstery<\/li>\n<li>Position<\/li>\n<li>Polarity<\/li>\n<li>Manufacturer<\/li>\n<\/ul>\n<p>Therefore, always use the water catchment area on the package or datasheet.<\/p>\n<h2>Can the same 3.2 mm E6013 and E7018 be welded to the same current rating?<\/h2>\n<p>The water catchment areas may overlap, but are not automatically identical.<\/p>\n<p>Upholstery, arc character and manufacturer also determine the optimal welding range.<\/p>\n<h2>What polarity should you use?<\/h2>\n<p>This varies by electrode.<\/p>\n<div class=\"ckc-table-wrap\">\n<table>\n<thead>\n<tr>\n<th>Electrode<\/th>\n<th>Common current\/ polarity<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>E6010<\/td>\n<td>DCEP<\/td>\n<\/tr>\n<tr>\n<td>E6011<\/td>\n<td>AC \/ DCEP<\/td>\n<\/tr>\n<tr>\n<td>E6013<\/td>\n<td>AC \/ DCEP \/ DCEN dependent product<\/td>\n<\/tr>\n<tr>\n<td>E7014<\/td>\n<td>AC \/ DC dependent product<\/td>\n<\/tr>\n<tr>\n<td>E7016<\/td>\n<td>Common DCEP, some AC<\/td>\n<\/tr>\n<tr>\n<td>E7018<\/td>\n<td>DCEP \/ AC dependent product<\/td>\n<\/tr>\n<tr>\n<td>E7024<\/td>\n<td>AC \/ DC dependent product<\/td>\n<\/tr>\n<tr>\n<td>stainless steel -16<\/td>\n<td>Common AC \/ DCEP<\/td>\n<\/tr>\n<tr>\n<td>cast iron<\/td>\n<td>Product-dependent<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>The product datasheet is always leading.<\/p>\n<h2>What happens at wrong polarity?<\/h2>\n<p>The electrode can still burn sometimes, but the welding characteristics can deteriorate significantly.<\/p>\n<ul>\n<li>Bad bow<\/li>\n<li>Lots of splashes<\/li>\n<li>Bad penetration<\/li>\n<li>Difficult to ignite<\/li>\n<li>Bad slag<\/li>\n<li>Incorrect welding form<\/li>\n<\/ul>\n<h2>Which electrode do you choose for an old AC welding transformer?<\/h2>\n<p>First check the open-clamp voltage and manufacturer data.<\/p>\n<p>Many traditional AC machines work pleasantly with:<\/p>\n<ul>\n<li>E6013<\/li>\n<li>E6011<\/li>\n<li>Certain E7014<\/li>\n<li>E7018 AC, provided the electrode is suitable for this purpose<\/li>\n<\/ul>\n<p>E6010 is usually not a logical choice for a standard AC transformer.<\/p>\n<h2>Which electrode do you choose for a modern inverter?<\/h2>\n<p>A modern DC inverter can usually handle a wide range of electrodes.<\/p>\n<p>But check with cellulose electrodes such as E6010 to see if the machine delivers adequate arc characteristic.<\/p>\n<h2>What are Hot Start and Arc Force doing?<\/h2>\n<p>Hot Start briefly increases the current when igniting to reduce sticking.<\/p>\n<p>Arc Force dynamically increases the current when the arc becomes very short.<\/p>\n<p>Especially for electrodes with a powerful arc, a well adjustable Arc Force can be useful.<\/p>\n<h2>Which electrode should you buy for hobby use?<\/h2>\n<p>For general steelwork, E6013 is often the most accessible choice.<\/p>\n<ul>\n<li>Easy to ignite<\/li>\n<li>Quiet bow<\/li>\n<li>Broadly available<\/li>\n<li>Suitable for many simple repairs<\/li>\n<li>Works on many AC and DC machines<\/li>\n<\/ul>\n<p>For heavier structural fabrication you can also consider E7018, provided you perform the storage and processing correctly.<\/p>\n<h2>Buying advice for agriculture and repair<\/h2>\n<p>For repair outside or less perfectly prepared steel E6011 can be interesting.<\/p>\n<p>For clean heavy construction steel, E7018 is often more attractive.<\/p>\n<p>Many repair companies therefore have multiple types in stock.<\/p>\n<h2>Buying advice for steel construction<\/h2>\n<p>For professional structural fabrication, E7018 is one of the most important electrodes to know.<\/p>\n<p>Always check for certified work:<\/p>\n<ul>\n<li>WPS<\/li>\n<li>Material<\/li>\n<li>Hydrogen class<\/li>\n<li>Burst stroke class<\/li>\n<li>Storage conditions<\/li>\n<li>Approvals<\/li>\n<\/ul>\n<h2>Buying advice for thin material<\/h2>\n<p>For thinner material, a small E6013 is often one of the better MMA options.<\/p>\n<p>However, with very thin sheet metal work MIG\/MAG or TIG is usually better adjustable.<\/p>\n<h2>Buying advice for pipe welding<\/h2>\n<p>For professional pipe welding you do not choose an electrode based on convenience only.<\/p>\n<p>Depending on the procedure, cellulose or low hydrogen electrodes can be used.<\/p>\n<ul>\n<li>E6010 for certain roots\/pipelines<\/li>\n<li>E7016 for certain root and filling passes<\/li>\n<li>E7018 for certain filling and deck fitting<\/li>\n<\/ul>\n<h2>Buying advice for stainless steel<\/h2>\n<p>Start with the base material.<\/p>\n<ul>\n<li>304\/304L \u2192 common E308L-16<\/li>\n<li>316\/316L \u2192 common E316L-16<\/li>\n<li>stainless steel to steel \u2192 common E309L-16<\/li>\n<\/ul>\n<p>Don&#x27;t just use an stainless steel electrode because it&#x27;s loaded everywhere.<\/p>\n<h2>Buying advice for cast iron<\/h2>\n<p>For cast iron the material type is particularly important.<\/p>\n<p>As a general choice help:<\/p>\n<ul>\n<li>ENi-CI \u2192 high nickel content, often good spruceability<\/li>\n<li>ENiFe-CI \u2192 Nickel-iron, often stronger and suitable for heavier repair work<\/li>\n<\/ul>\n<p>In addition, check whether the repair is to be carried out cold or with pre-warming.<\/p>\n<h2>Purchase advice for welding<\/h2>\n<p>First determine what kind of wear the part has.<\/p>\n<p>Don&#x27;t just ask:<\/p>\n<p>How hard is the electrode?<\/p>\n<p>But:<\/p>\n<ul>\n<li>Is there a lot of sand or rock?<\/li>\n<li>Is there a big impact?<\/li>\n<li>Does metal rub against metal?<\/li>\n<li>Is the part getting hot?<\/li>\n<li>Is corrosion present?<\/li>\n<\/ul>\n<p>Only then will you choose the hard-facing alloy.<\/p>\n<h2>Which electrodes are useful to have in stock as a general workshop?<\/h2>\n<p>For a workshop with a variety of repairs, a basic practical stock may include:<\/p>\n<ul>\n<li>E6013 in 2,5 and 3,2 mm<\/li>\n<li>E7018 in 2,5 and 3,2 mm<\/li>\n<li>E6011 when much outdoor\/repair work occurs<\/li>\n<li>E308L-16 for general 304-stainless steel<\/li>\n<li>E309L-16 for stainless steel steel<\/li>\n<li>A suitable cast iron electrode<\/li>\n<li>An application-oriented welding electrode if many consumables are repaired<\/li>\n<\/ul>\n<h2>Which electrode is the most universal?<\/h2>\n<p>There is no such thing as a universal electrode.<\/p>\n<p>For simple general steel work, E6013 is closest to a practical all-rounder.<\/p>\n<p>E7018 is much more relevant for professional construction steel.<\/p>\n<p>For outdoor repair, E6011 can fit better.<\/p>\n<h2>From Cjays practice<\/h2>\n<p>The number is often only looked at in the case of electrodes:<\/p>\n<p>Oh, yeah, yeah, yeah.<\/p>\n<p>That&#x27;s not how it works.<\/p>\n<p>An E6013 can be much more comfortable on a small repair job, while an E7018 is the more logical choice for a critical steel construction.<\/p>\n<p>And an E6011 can do the right work on old repair steel that makes an E7018 much less happy.<\/p>\n<p>We would therefore always base the choice on:<\/p>\n<ul>\n<li>base material<\/li>\n<li>Thickness<\/li>\n<li>Weld position<\/li>\n<li>Desired penetration<\/li>\n<li>Mechanical requirements<\/li>\n<li>welding machine<\/li>\n<li>Flow type<\/li>\n<li>Polarity<\/li>\n<li>Storage possibilities<\/li>\n<li>WPS if present<\/li>\n<\/ul>\n<p>For a novice welder who is at home carrying normal steel, a box of E6013 is often much more logical than buying a package of specialist electrodes directly.<\/p>\n<p>For a company that repairs or manufactures steel structures, E7018 becomes much more important.<\/p>\n<p>And for stainless steel, cast iron or consumables, you need to stop thinking completely in the ordinary steel electrode.<\/p>\n<h2>Quick selection help<\/h2>\n<div class=\"ckc-table-wrap\">\n<table>\n<thead>\n<tr>\n<th>What do you want to weld?<\/th>\n<th>Electrode to look at first<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>General light steel<\/td>\n<td>E6013<\/td>\n<\/tr>\n<tr>\n<td>Thinner steel<\/td>\n<td>Small E6013<\/td>\n<\/tr>\n<tr>\n<td>Outside\/Repair<\/td>\n<td>E6011<\/td>\n<\/tr>\n<tr>\n<td>Deep penetration \/ pipe root<\/td>\n<td>E6010<\/td>\n<\/tr>\n<tr>\n<td>Construction steel<\/td>\n<td>E7018 \/ E7016 depending on WPS<\/td>\n<\/tr>\n<tr>\n<td>High melts down plane<\/td>\n<td>E7024<\/td>\n<\/tr>\n<tr>\n<td>304 stainless steel<\/td>\n<td>E308L-16<\/td>\n<\/tr>\n<tr>\n<td>316 stainless steel<\/td>\n<td>E316L-16<\/td>\n<\/tr>\n<tr>\n<td>stainless steel of steel<\/td>\n<td>E309L-16<\/td>\n<\/tr>\n<tr>\n<td>Grey cast iron<\/td>\n<td>ENi-CI \/ ENiFe-CI depending on repair<\/td>\n<\/tr>\n<tr>\n<td>consumables<\/td>\n<td>Specific hardfaced electrode<\/td>\n<\/tr>\n<tr>\n<td>High strength steel<\/td>\n<td>Appropriate E80xx\/E90xx\/etc. according to WPS<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2>Step plan to buy the right electrode<\/h2>\n<ul>\n<li>Determine the base material.<\/li>\n<li>Check the material thickness.<\/li>\n<li>Determine the welding position.<\/li>\n<li>Check which mechanical strength is required.<\/li>\n<li>Check any WPS.<\/li>\n<li>Determine whether low hydrogen is required.<\/li>\n<li>Check AC or DC of the machine.<\/li>\n<li>Check the polarity.<\/li>\n<li>Choose the right electrode diameter.<\/li>\n<li>Check the recommended ampere range.<\/li>\n<li>Check storage and drying regulations.<\/li>\n<li>Buy the electrode after that.<\/li>\n<\/ul>\n<h2>The main conclusion<\/h2>\n<p>The most common welding electrodes each have their own strong point.<\/p>\n<ul>\n<li>E6010: deep cellulose arc, pipe welding and roots.<\/li>\n<li>E6011: deep penetration and practical on AC, repair and assembly.<\/li>\n<li>E6013: soft rutile arch, general work and beginners.<\/li>\n<li>E7014: productive rutile\/iron powder electrode.<\/li>\n<li>E7016: basic low-hydrogen electrode for constructive work.<\/li>\n<li>E7018: low-hydrogen construction electrode for many professional and critical steel work.<\/li>\n<li>E7024: very high melts down in flat and horizontal positions.<\/li>\n<li>E308L-16: many 304\/304L-stainless steel.<\/li>\n<li>E316L-16: many 316\/316L-stainless steel.<\/li>\n<li>E309L-16: many stainless steel-to-steel connections.<\/li>\n<li>ENi-CI \/ ENiFe-CI: cast iron.<\/li>\n<li>Hardfacing: Wear-resistant welding.<\/li>\n<\/ul>\n<p>The right electrode is not the one with the highest number, but the one whose strength, upholstery, welding position, polarity and alloy fit your material and application.<\/p>\n<h2>Further reading<\/h2>\n<ul>\n<li><a href=\"\/en\/kenniscentrum\/welding-wire\/difference-sg1-sg2-sg3-welding-wire\/\">What is the difference between SG1, SG2 and SG3 welding wire?<\/a><\/li>\n<li><a href=\"\/en\/kenniscentrum\/buying-advice\/difference-stainless-steel-welding-wire-308lsi-316lsi-309lsi-307\/\">What is the difference between the most common stainless steel welding wires?<\/a><\/li>\n<\/ul>\n<h2>Frequently asked questions about welding electrodes<\/h2>\n<h3>What&#x27;s the best electrode for beginners?<\/h3>\n<p>E6013 is often one of the simplest electrodes to start with for general steel work.<\/p>\n<h3>What is the difference between E6011 and E6013?<\/h3>\n<p>E6011 has an aggressive cellulose arch with deeper penetration. E6013 has a softer rutile arch and is more comfortable for light and general work.<\/p>\n<h3>What is the difference between E6013 and E7018?<\/h3>\n<p>E6013 is a rutile general electrode. E7018 is an low-hydrogen basic construction electrode with higher minimum tensile strength class and stricter storage requirements.<\/p>\n<h3>Which electrode do you use for old or rusty steel?<\/h3>\n<p>E6011 may be more tolerant to light surface contamination, but the steel should still be cleaned as well as possible.<\/p>\n<h3>Which electrode do you use for structural steel?<\/h3>\n<p>E7018 is a very common choice, but the WPS and construction standard are leading.<\/p>\n<h3>Which electrode do you use for stainless steel 304?<\/h3>\n<p>E308L-16 is a widely used choice for 304\/304L-like stainless steel species.<\/p>\n<h3>Which electrode do you use for stainless steel on ordinary steel?<\/h3>\n<p>E309L-16 is a widely used choice for many normal stainless steel carbon steel compounds.<\/p>\n<h3>Which electrode do you use for cast iron?<\/h3>\n<p>Common types are ENi-CI and ENiFe-CI. The correct choice depends on the type of cast iron and the repair.<\/p>\n<h3>Which electrode do you use for welding?<\/h3>\n<p>That depends on the wear mechanism. Choose a specific hardfaced electrode for abrasion, impact, metal-to-metal or a combination thereof.<\/p>\n<h3>Should E7018 be in an oven?<\/h3>\n<p>In the case of professional or critical use, the electrode shall be treated according to the manufacturer&#x27;s storage and drying requirements. Low hydrogen electrodes clearly require more moisture control than for example E6013.<\/p>\n<h3>Can E7018 at AC?<\/h3>\n<p>Many E7018 products are suitable for AC and DCEP, but not every version or machine combination is the same. Check the manufacturer&#x27;s data sheet.<\/p>\n<h3>Can E6010 at AC?<\/h3>\n<p>Not normally. E6010 is typically used on DCEP. E6011 is the cellulose variant that is also widely used on AC.<\/p>\n<h3>Which electrode gives the deepest penetration?<\/h3>\n<p>E6010 and E6011 are known for their powerful, deep penetrating cellulose arch.<\/p>\n<h3>Which electrode gives the highest deposition rate?<\/h3>\n<p>E7024 is specially developed for high melting rates in flat and horizontal welding.<\/p>\n<h2>Which stick electrode should you buy?<\/h2>\n<p>For general steel work, E6013 is often the easiest choice, while E7018 becomes much more important in professional structural fabrication. E6011 and E6010 have clear advantages when deep penetration and a powerful cellulose arc are required. For stainless steel, cast iron and welding, specific alloy electrodes are required.<\/p>\n<p>Cjays Lastechniek can help to choose the right stick electrode based on base material, material thickness, welding position, electrode diameter, power source and application.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Compare E6010, E6011, E6013, E7018, stainless, cast-iron and hardfacing electrodes, including polarity, positions, storage and typical applications.<\/p>\n","protected":false},"author":3,"featured_media":0,"template":"","meta":{"footnotes":""},"cjays_knowledge_cat":[4294,4388],"class_list":["post-283987","cjays_knowledge","type-cjays_knowledge","status-publish","hentry","cjays_knowledge_cat-electrode-welding","cjays_knowledge_cat-welding-wire"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>E6011, E6013 or E7018? 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