Stainless steel welding electrodes zika industries ltd. The process uses shielding from an externally supplied gas to protect the molten weld. The first revision that was exclusively an aws specification was published in 1969 and revised in. This is the weight add back to the steel member weight calculation. Pdf effect of electrode coating on austenitic stainless steel weld. Most cast iron welding is due to maintenance and cracked casting repairs. Welding of stainless steel education center kobelco kobe. Its all here to help you boost your welding productivity. College welding program using a36 steel in accordance with american welding society aws d1. The complete book of welding series 4, 1978, sanpo publications inc. Even though most of the welding machine manufacturers have included a table of materials and voltage settings in the machine, it is highly important for you to pick the right kind of gas and electrode wire to be used for mig welding stainless steel.
Will the choice of electrode 312 or 309 effect the design strength of the weld. E 30816, means that the electrode is made of aisi 308 stainless steel type, and 16 has the same meaning it has for carbon steel electrodes. Suitable for welding aisi 317, aisi 317l and stainless steel of similar composition, clad fabrication, joining of stainless steel to carbon steel and low alloy steel. Topic welding industry technical discussions stainless steel electrode tensile strength.
Welding electrodes stainarc 316l a low carbon, 19% cr, 12% ni and 2. In manual welding, the electrode is always inclined in the direction of the weld bead travel. The american welding society aws publishes over 240 awsdeveloped codes, recommended practices and guides which are written in accordance with american national standards institute ansi practices. The following table shows the chemical composition of grade 308 stainless steel. The electrode choices are pure tungsten, 2 percent thoriated, 2 percent ceriated, 1. Welding stainless steels and nickel alloys is all about cleanliness and choosing the right filler metal. Esab 309cb is a basic coated stainless steel electrode giving austenitic weld. The premium brand of low hydrogen, mild steel and low alloy stick electrodes designed to provide exceptional puddle control and excellent strike and restrike capabilities. Electrode chart part no price per pack size dia packaging usages typical chemical composition mechanical properties of all weld metal as welded e30816 aws a5. Qualification was to be performed using both 1g flat and 3g vertical positions for gas tungsten arc welding gtaw and gas metal arc welding gmaw processes. Choosing electrodes for structural fillet welds in steel ewi. These electrodes are designated in a different way. Selection of welding consumables for welding stainless steels matching the consumable to the parent material. Table i nominal compositions of ferritic stainless steels.
Lh 124 austenitic stainless steel electrode for welding aisi 304, 304l technical data uts. Fewer spatters easy to restrike less smog good off slag, high deposition efficiency application. The degree of spatter is dependent upon the composition and flow rate of the shielding gas, wirefeed speed, and the characteristics of the welding power supply. Tanaka, welding of stainless steel and characteristics of the welds. Alternative gases that you can use are 98% argon and 2% co2 or 98% argon and 2% oxygen mix. Rutile type stainless steel electrode faqs how many rods per packkg. These stainless steel electrodes are specially developed for use in high temperature welding applications. Stainless clad steel is based on a concept that corrosion resistance is. Esab 304b is a low carbon, basic coated 19cr10ni stainless steel electrode with. High quality european stainless steel 316l welding electrodes supplied in a convenient blister pack. Welding of stainless steel welding references textbooks of welding. Molybdenum grade for increased corrosion resistance. Electrodes and rods, but is included for informational purposes only.
The first three digits indicated the american iron and steel type of stainless steel. Aisi stainless steel standards just state the chemical composition, not mechanical properties. Double electrode degmaw highstrength steel deposition rate highstrength steel welding with consumable double electrode gas metal arc welding the size, microstructure, and hardness of the haz were studied and compared to conventional gas metal arc welding by k. For aluminum, electrodes are designated as er4043, er5350 etc. Ferritic stainless steels are nonhardenable fecr alloys. The end preparations are balled, pointed, and truncated. The ultimate maintenance and repair steel electrode for welding steels with the highest strength and maximum ductility acdc. What are the properties of stainless steel and what makes stainless steel stainless.
Specification for stainless steel electrodes for shielded metal arc welding. For the stainless steels more complex in composition, heavier in sections or the enduse. In arc welding, an electrode is used to conduct current through a workpiece to fuse two pieces together. Blue demon e308l16 x 18 x 14 x 5lb plastic stainless steel arc welding electrode.
The purpose of the welding handbook for maritime welders is to provide guidance in modern welding and related processes and to provide the welder with a source of. Stainless steel electrodes welding equipment esab india. Stainless electrode coatings also come in three categories, exxx15, exxx16, and exxx17. The following is a partial list of the more common publications.
Welding stainless steel is not much different from that required in welding standard carbon steel, with a few exceptions. Hobart h481930rdp 308l electrodes, stainless steel, 332. Choosing one of the six commonly available tungsten electrodes is a crucial first step in successful gas tungsten arc welding gtaw. This results in a continuing interest in super duplex stainless steels and.
The last two digits indicate the current and position used. Page 2 of 4 unibraze sds stainless steel electrodes revised. Its considered the maintenance and repair standby in every. For welding common 300 series stainless steel such as 301, 302, 304, 304l and 316l all welding positions, excluding vertical down aws classification a5. A wide variety of welding electrode specification options are available to you. Shop a large range of stainless steel electrodes at msc industrial supply. Three different electrode compositions were used to overlayweld austenitic manganese steel cast in the form of rail heads. The first specification for electrodes and rods for welding cast iron was published more than thirty years ago as a joint astmaws document. Stainless steel welding electrodes from manufacturers like prostar, lincoln electric, arcaloy and mckay welding products are available at. T he welding electrode e60 is widely used on both ac and dc in all positions and suitably for welding sheet metal structure made of lowcarbon steel, such as ships, vehicles, building, and general machinery. Thanks i see in ssinas publication called welding of stainless steel, they state 309 is the most common electrode for joining carbon steel to stainless steel.
Home filler metals stick welding electrodes stainless steel. These guidelines are intended as a stepbystep aid to the successful welding of stainless steels and nickel alloys. Depending upon the process, the electrode is either consumable, in the case of gas metal arc welding or shielded metal arc welding, or nonconsumable, such as in gas tungsten arc welding. Gas metal arc welding gmaw, by definition, is an arc welding process which produces the coalescence of metals by heating them with an arc between a continuously fed filler metal electrode and the work. It is typically used to make welding electrodes and used to join common types of austenitic stainless steels, such as 301, 302, 304 and 305. Msc industrial supply is here to support all your metalworking and maintenance repair needs with over 1 million products in stock and ready to ship today. Fabcor er308lsi austenitic wire used to join 301, 302, 304, 304l and 308 stainless steels. Application er430 is a ferritic stainless steel which offers good ductility in heat. Stainless steel welding electrode welding consumable. Specification for welding electrodes and rods for cast iron. Cast iron may be welded using a covered steel electrode, however this technique ought to be applied as an emergency solution solely.
Stick electrode welding supplies, welding helmets, miller. E316l16 stainless steel welding electrode 14 x 18 2. First, you must exercise more care and control with regard to heating and cooling stainless steel. The following datasheet gives more details about grade 308 stainless steel. Two of the electrodes were obtained commercially and the third was of novel chemical composition and was produced in our laboratory. The 15 after the base alloy indicates a lime basic coating, which contains considerable amounts of limestone and fluorspar, producing a fastfreezing slag that facilitates welding in the vertical and overhead positions. The success of a stainless steel covered electrode is determined by the appreciation of both welders and welding engineersmanagement. Designed for joining stainless steel to mild or low alloy steel. October 7, 2015 welding fumes and gases cannot be classified simply. Mild steel welding electrodes and stainless steel welding. Stainless steels electrodes zika industrial welding supplies. Rutilebasic coated electrode for welding stainless ferriticaustenitic crnimo steels duplex steels.
E309l16 stainless steel welding electrode 12 x 332 2 lb. The h and l designators indicate a specific composition of the electrode. Highstrength steel welding with consumable doubleelectrode. Premium rutile based electrode for welding ti nb stabilized cr ni mo stainless steel.
E309l16 stainless steel welding electrode 12 x 332. Lincoln electrics premium coppercoated mild steel and low alloy mig wire is designed to provide industry leading consistency, feedability and arc performance. Other uses are welding of hard to weld carbon steels to one another or to stainless steel. The primary alloying additions are chromium and nickel. The effect of electrode coating on austenitic stainless steel weld metal properties was. The welding electrode identification system for stainless steel arc welding is set up as follows.
Used such as high tempreture equipment, heat exchang. Stainless steel electrode e309l16 is coating calcium titanate tape of ultralow carbon stainless steel rod, acdc dualpurpose, because of the low carbon content, without stabilizing elements such as titanium and niobiumis can also resistant to intergranular corrosion from carbide precipitation. Stainless steel welding electrodes manufacturers india. Stainless steel welding electrodes manufacturer, exporting. Filler metals stick welding electrodes stainless steel. Used principally for welding molybdenum bearing austenitic alloys containing 0. Austenitic 300 series stainless steel filler metals. Types 405, 409, 430, 422 and 446 are representative of this group.
Widely used in petrochemical, construction and engineering industry, these electrodes are ideal for food grade applications. Regarding your second question, 308 is a particular type of stainless steel. Welding guidelines for stainless steel and nickel alloys. Ugine ns 22, avesta 832 nv, soderfors 553, sandvik or2, uhb stainless 3, staybright fsl. Specification for welding electrodes and rods for cast iron, but is included tor informational purposes only. Development of coated electrodes for welding of super duplex steel. Our office currently specifies 312, but maybe we will change to 309l.
Never weld sll with carbon or low alloy steel electrodes. Standard symbols for welding, brazing, and nondestructive. Stainless steel electrodes manufacturers, suppliers, exporters. Esab documentation download library filler metal data book manuals. By choosing esab as their partner, customers know they have the technical support of one of the largest suppliers of welding consumables in the world. Can be welded in any position except vertical down.
Stabilizers in the flux make 60 welding electrodes one of the simplest rods to use. Dcep direct current electrode positive is used for most stainless steel welding. Stainless steel electrodes, 308l for 308 and 304 stainless base metal. For general purpose welding, 60 welding produces a smoother finished weld bead. Welding electrodes 316l stainlesssteel weldclass australia. Highly resistant to pitting and stress corrosion cracking. But the effect of judging fillet strength on electrode class rather than base metal grade is also noticable for overmatched electrodes. The weld metal resists scaling up to 11001150c and does not contain any measureable ferrite. E316l16 stainless steel welding electrode 14 x 18 2 lb. E309l16 stainless steel welding electrode 14 x 18 4. We have a worldwide network of sales offices and distributors to give you service and support wherever you are. The composition of stainless steel welding consumables is matched with the base or parent material. The electrodes coating affects the purity of the weld metal, the composition and.
The main two methods of welding cast iron is by using oxy acetylene welding processes or using stick arc welders. Stainless steels austenitic stainless steels include the 200 and 300 series of which type 304 is the most common. The gys blister packs are ideal for the many occasions when only a small number of welding electrodes are required and avoids the wastage caused when larger boxes have to be opened. Improper arc length, welding current or electrode manipulation modify welding parameters and techniques volatilization of zinc from brass use coppersilicon filler, reduce heat input porosity. When both base metals are the same, use the base metal alloy as a guide. Specification for stainless steel electrodes for shielded. Where maximum results are necessary, such as in corrosive service applications, selecting the proper base material and weld filler metal alone. Smooth, tough welds with the strength, corrosion and crack resistance needed for welding stainless steel in all positions. Selection of welding consumables for welding stainless steels.
Premium normal carbon content rutile electrode for welding cr ni mo austenitic stainless steel. Offer highest resistance to cracking and excellent vertical welding. The chemical analyses composition of the consumables used are usually balanced to optimise the welding process and avoid hot cracking. Stainless steel metalcored wires are an excellent choice for flat and horizontal welding of long continuous seams where productivity can be maximized. With a slightly heavier slag covering, try to keep the arc in the puddle. Welding duplex and super duplex stainless steels is similar to welding austenitic stainless steels. Welding procedure qualification of a36 steel plates using the. They are a combination of martensitic and austenitic steels. Versatile electrode designed to weld several types of austenitic steels. The composition and quantity of both are dependent upon the metal being welded, the process, procedures and. Rutile coated stainless steel electrode for welding 14% mn steels, armour plate, steels with unknown composition and hardening steels. The core wire conducts electric current to the arc to melt the base metal and provides the filler material for the welding joint. It is ideally preferred where the chicago welder fails because of its limitation in doing the stainless steel soldering job.
Precipitationhardened steels are another group of stainless steels. A 1or 2% argonoxygen mixture is recommended for most stainless steel spray arc welding. Tig stands for tungsten inert gas which is a welding technique done with the help of tungsten electrode for heating different metals. Martensitic stainless steels are similar in composition to the ferritic group but contain higher. Welding electrodes 33 welding of stainless steel clad plate 33 welding dissimilar metals 35 austenitic stainless steels to low carbon steels 35 procedures for welding transition joints 36 ferritic and martensitic stainless steels to.