Welding wire grades are classified according to international standards such as AWS A5.14, AWS A5.9, and AWS A5.18. The following list covers commonly used nickel alloy, stainless steel, and carbon steel welding wires, widely applied in industries includingoil & gas, marine, power generation, petrochemical, heavy machinery and aerospace.
(AWS A5.14 / A5.11)
Nickel alloy welding wires are designed for high-temperature strength, corrosion resistance, and dissimilar metal welding.
|
AWS Classification |
Typical Applications |
|
ERNi-1 |
Pure nickel (ASTM B160, B161, B162, B163); chemical processing equipment and cladding. |
|
ERNiCu-7 |
Monel 400 alloys; seawater equipment, propeller shafts, and marine valves. |
|
ERNiCr-3 |
Inconel 600/601 and Incoloy 800; dissimilar welding between stainless and carbon steels. |
|
ERNiCrFe-2 |
Joining nickel alloys to ferritic or austenitic steels; often used for 9% nickel steel. |
|
ERNiCrFe-3 |
Inconel 601 and heat-resistant alloys; furnace components and high-temperature service. |
|
ERNiFeCr-1 |
Incoloy 825; sulfuric acid environments and pollution-control equipment. |
|
ERNiMo-1 |
Hastelloy B; reducing chemical environments including hydrochloric acid. |
|
ERNiCrMo-1 |
Hastelloy G; phosphoric acid plants and flue-gas desulfurization systems. |
|
ERNiCrMo-2 |
Nickel-chromium-molybdenum alloys; corrosion-resistant overlay cladding. |
|
ERNiCrMo-3 |
Inconel 625; offshore structures, aerospace components, and 9% Ni steel. |
|
ERNiCrMo-4 |
Hastelloy C-276; extreme pitting and crevice corrosion environments. |
|
ERNiCrMo-13 |
Ni-Cr-Mo alloys similar to C-22; chemical tankers and pulp bleaching plants. |
|
ERNiCrMo-14 |
Improved thermal stability for corrosion-resistant Ni-Cr-Mo applications. |
(AWS A5.9 / A5.22)
Stainless steel welding wires include austenitic, duplex, and super duplex grades used in structural fabrication and corrosive environments.
|
AWS Classification |
Typical Applications |
|
ER307 |
High-strength steels and armour plate; excellent crack resistance. |
|
ER308/ER308L/ER308LSi |
304/304L stainless; food equipment, tanks, and general fabrication. |
|
ER308Mo /ER308LMo |
Molybdenum-alloyed grades with improved pitting resistance. |
|
ER309/ER309L/ER309LSi |
Dissimilar welding between carbon steel and stainless steel. |
|
ER309Mo/ER309LMo |
Higher Mo content for aggressive corrosion environments. |
|
ER310 |
25-20 stainless steel; furnace parts and high-temperature service. |
|
ER312 |
Hardfacing and crack-resistant overlays; tool steel repair. |
|
ER316/ER316L/ER316LSi |
Marine equipment, chemical processing, pharmaceutical vessels. |
|
ER317 / ER317L |
Higher Mo stainless steels; pulp and paper industry. |
|
ER318 |
Nb-stabilized grades for welding 321/347 stainless steels. |
|
ER321 |
Titanium-stabilized stainless steel for high-temperature applications. |
|
ER347/ER347Si |
Niobium-stabilized; improved creep resistance in high-temperature service. |
|
ER385 |
904L super austenitic stainless steel; sulfuric acid plants and fertilizer production. |
|
ER2209 |
Duplex stainless steel 2205; high strength and corrosion resistance. |
|
ER2594 |
Super duplex 2507; offshore platforms and desalination plants. |
AWS A5.18 / A5.28)
Carbon steel welding wires are widely used for structural steel fabrication, pipelines, and heavy equipment manufacturing.
|
AWS Classification |
Typical Applications |
|
ER70S-6 |
Most common carbon steel MIG wire; good tolerance to rust and mill scale. |
|
ER70S-G |
Titanium-containing wire for pipe welding and robotic welding systems. |
|
ER80S-G |
High-strength low-alloy steels used in pipelines and heavy structures. |
|
H08Mn2SiA (GB/T 14957-2020) |
Chinese equivalent of ER70S-6 for structural welding. |
Most welding wires are available in the following diameters:
Custom diameters may be available upon request.
We provide flexible packaging solutions for different welding processes:
Selecting the correct welding wire depends on base metal composition, service environment, and welding process.
Contact us for technical data sheets, pricing, and customized solution.
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