Stainless steel welding wire is shielded Arc welding wire ,belong to solid wire , The wire has a very good performance and has a large range of current in welding.Suitable for the welding of dissimilar metals such as mild steel to stainless steel.
| Alloy | Standard | Chemical Composition(%) | Application |
| ER308 | AWS A5.9 | C:0.08 Cr:19.5-22.0 Ni:9.0-11.0 Mo:0.75 Mn:1.0-2.5 Si:0.30-0.65 P:0.03 S:0.03 | Welding wire frequently used for TIG, MIG and submerged arc welding of un-stabilized stainless steels such as Types 301, 302, 304, 305, 308. It is used for general purpose applications where corrosion conditions are moderate. |
| ER308L | AWS A5.9 | C:0.03 Cr:19.5-22.0 Ni:9.0-11.0 Mo:0.75 Mn:1.0-2.5 Si:0.30-0.65 P:0.03 S:0.03 | Welding wire similar to ER308, but the 0.03% maximum carbon content increases resistance to inter-granular corrosion. Ideal for welding types 304L, 321 and 347 stainless steels. |
| ER308LSi | AWS A5.9 | C:0.03 Cr:19.5-22.0 Ni:9.0-11.0 Mo:0.75 Mn:1.0-2.5 Si:0.65-1.00 P:0.03 S:0.03 | Welding wire similar to ER308L, but the 0.65-1.00% silicon content improves wash and wet-ability of weld metals. Thus, welding speed is faster than 308 or 308L |
| ER309 | AWS A5.9 | C:0.12 Cr:23.0-25.0 Ni:12.0-14.0 Mo:0.75 Mn:1.0-2.5 Si:0.30-0.65 P:0.03 S:0.03 | Welding wire used for welding similar alloys in wrought or cast form. It is mostly used for welding dissimilar materials such as mild steel to stainless steel, as well as for a barrier layer in stainless overlays. |
| ER309L | AWS A5.9 | C:0.03 Cr:23.0-25.0 Ni:12.0-14.0 Mo:0.75 Mn:1.0-2.5 Si:0.30-0.65 P:0.03 S:0.03 | Welding wire similar to ER309, but the lower carbon content (0.03% maximum) increases resistance to inter-granular corrosion. Aufhauser 309L is preferred over 309 for cladding over carbon or low alloy steels, as well as for dissimilar joints. |
| ER309LSi | AWS A5.9 | C:0.03 Cr:23.0-25.0 Ni:12.0-14.0 Mo:0.75 Mn:1.0-2.5 Si:0.65-1.00 P:0.03 S:0.03 | Welding wire similar to ER309L, but the 0.65-1.00% silicon content improves wash and wetting behavior as well as bead appearance in the gas shielded welding processes. The weld beads are very smooth as compared with 309L or 309. |
| ER309MO | AWS A5.9 | C:0.12 Cr:23.0-25.0 Ni:12.0-14.0 Mo:2.0-3.0 Mn:1.0-2.5 Si:0.30-0.65 P:0.03 S:0.03 | - |
| ER309MOL | AWS A5.9 | C:0.02 Cr:23.0-25.0 Ni:12.0-14.0 Mo:2.0-3.0 Mn:1.0-2.5 Si:0.30-0.65 P:0.03 S:0.03 | ER309LMo contains an increase in Mo, compared to alloy ER309, which allows for an increase in its pitting corrosion resistance. Due to its low carbon content there is a decrease in the likelihood on intergranular carbide precipitation. |
| ER307 | AWS A5.9 | C:0.08 Cr:19.5-22.0 Ni:9.0-10.7 Mo:0.05-1.5 Mn:3.3-4.75 Si:0.46 P:0.03 S:0.03 | ER307 is an austenitic stainless steel containing a high manganese content. ER307 is mainly used for joining and surfacing applications that involve work-hardened steels, heat resistant steels that are subject to temperatures of 1560°F maximum. |
| ER310 | AWS A5.9 | C:0.08-0.15 Cr:25.0-28.0 Ni:20.0-22.5 Mo:0.75 Mn:1.0-2.5 Si:0.30-0.65 P:0.03 S:0.03 | Welding wire frequently used to weld stainless steel of similar composition in wrought or cast form. The weld deposit is fully austenitic and calls for low heat during welding. It can also be used for dissimilar welding. |
| ER312 | AWS A5.9 | C:0.15 Cr:28.0-32.0 Ni:8.0-10.5 Mo:0.75 Mn:1.0-2.5 Si:0.9 P:0.03 S:0.03 | Welding wire will weld cast alloys of both dissimilar metals and for weld overlays. ER312 gives very high ferrite. |
| ER316 | AWS A5.9 | C:0.08 Cr:18.0-20.0 Ni:11.0-14.0 Mo:2.0-3.0 Mn:1.0-2.5 Si:0.30-0.65 P:0.03 S:0.03 | Welding wire usually used for welding wrought and cast forms of similar alloys. ER312 contains about 2% molybdenum to increase its creep resistance at elevated temperature. The lower ferrite level of this alloy reduces the rate of corrosion. |
| ER316L | AWS A5.9 | C:0.03 Cr:18.0-20.0 Ni:11.0-14.0 Mo:2.0-3.0 Mn:1.0-2.5 Si:0.30-0.65 P:0.03 S:0.03 | Welding wire similar to ER316, with controlled carbon content (0.03% maximum) to reduce the possibility of formation of inter-granular carbide precipitation. Used principally for welding molybdenum-bearing low carbon austenitic alloys. |
| ER316LSi | AWS A5.9 | C:0.03 Cr:18.0-20.0 Ni:11.0-14.0 Mo:2.0-3.0 Mn:1.0-2.5 Si:0.65-1.0 P:0.03 S:0.03 | Welding wire similar to ER316L: but the higher silicon content (0.65-1.00%) improves wash and wetting behavior in the gas shielded welding processes. Weld bead is exceptionally smooth with this alloy. Higher productivity could be realized in MIG welding. |
| ER347 | AWS A5.9 | C:0.08 Cr:19.0-21.5 Ni:9.0-11.0 Mo:0.75 Mn:1.0-2.5 Si:0.3-0.65 P:0.03 S:0.03 other:0.8 | A niobium (columbium)-stabilized stainless steel alloy welding wire used to weld types 321 and 347. ER347 is a stabilized 18-8, 19-9 alloy that is not subject to inter-granular corrosion due to carbide precipitation. |
| ER410 | AWS A5.9 | C:0.12 Cr:11.5-13.5 Ni:0.6 Mo:0.75 Mn:0.6 Si:0.5 P:0.03 S:0.03 | Welding wire for alloys such as type 403, 405, 410, and 416. It is also used for overlays on carbon steels to resist corrosion, erosion or abrasion. Usually requires preheat (305°F) and post heat treatments (1350-1400°F). |
| ER420 | AWS A5.9 | C:0.25-0.40 Cr:12.0-14.0 Ni:0.6 Mo:0.75 Mn:0.6 Si:0.5 P:0.03 S:0.03 | It is a martensitic stainless steel similar to ER410, but with a higher level of carbon. This increased carbon content gives the weld deposit greater hardness, providing for excellent abrasion resistance as well as moderate corrosion resistance. |
| ER430 | AWS A5.9 | C:0.1 Cr:15.5-17.0 Ni:0.6 Mo:0.75 Mn:0.6 Si:0.5 P:0.03 S:0.03 | Welding wire for welding AISI types 403 stainless steel where maximum corrosion resistance at temperatures up to 1600°F is required. Preheat and post-heat treatment is recommended. |
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