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MIG Filler Metal Support

AWS classification pages for MIG / GMAW MIG wire. Browse by base metal family, then open the AWS page for use notes and Amazon searches by diameter.

MIG / GMAW 94 classification pages AWS spec family called out

1100 Aluminum

AWS A5.10 ER1100

1100 Aluminum

17-4 PH Stainless

AWS A5.9 ER630

17-4 PH Stainless

2024 / 7075 Aluminum Warning

AWS A5.10 ER2319

2024 / 7075 Aluminum Warning

309 Stainless / Stainless-to-Steel

AWS A5.9 ER309LMo

309 Stainless / Stainless-to-Steel

 AWS A5.9 ER309LSi

309 Stainless / Stainless-to-Steel

310 Stainless

AWS A5.9 ER310

310 Stainless

 AWS A5.9 ER330

310 Stainless

316 / 316L Stainless

AWS A5.9 ER316LSi

316 / 316L Stainless

317L Stainless

AWS A5.9 ER317L

317L Stainless

409 / 409Cb Stainless

AWS A5.9 ER409Cb

409 / 409Cb Stainless

410 / 420 Stainless

AWS A5.9 ER410NiMo

410 / 420 Stainless

 AWS A5.9 ER420

410 / 420 Stainless

430 Stainless

AWS A5.9 ER430

430 Stainless

6061 / 6063 Aluminum

AWS A5.10 ER4943

6061 / 6063 Aluminum

904L Stainless

AWS A5.9 ER320LR

904L Stainless

 AWS A5.9 ER385

904L Stainless

Aluminum

AWS A5.10 ER4043

6061, 6063, and many 6xxx aluminum applications

 AWS A5.10 ER4047

Aluminum repair and cast aluminum applications

 AWS A5.10 ER5183

5083 and 5086 aluminum

 AWS A5.10 ER5356

5xxx aluminum and many 6xxx applications

 AWS A5.10 ER5554

5454 aluminum

 AWS A5.10 ER5556

5xxx aluminum needing higher strength

Aluminum Bronze

AWS A5.7 ERCuAl-A1

Aluminum Bronze

 AWS A5.7 ERCuAl-A3

Aluminum Bronze

 AWS A5.7 ERCuMnNiAl

Aluminum Bronze

Carbon steel

AWS A5.18 ER70S-2

Mild steel and carbon steel

 AWS A5.18 ER70S-3

Clean mild steel and carbon steel

 AWS A5.18 ER70S-6

Mild steel and carbon steel

 AWS A5.18 ER70S-7

Mild steel needing extra deoxidizers

Carbon steel and low-alloy steel

AWS A5.18 E70C-6M

Carbon steel and low-alloy steel

Cast iron and castings

AWS A5.14 ERNi-CI

Cast iron and castings

 AWS A5.15 ERNiFeMn-CI

Cast iron and castings

Chrome-moly and low-alloy steel

AWS A5.28 ER70S-B2L

Chrome-moly and low-alloy steel

Copper / bronze

AWS A5.7 ERCu

Deoxidized copper and copper repair

 AWS A5.7 ERCuAl-A2

Aluminum bronze and wear/corrosion applications

 AWS A5.7 ERCuNi

Copper-nickel alloys

 AWS A5.7 ERCuSi-A

Silicon bronze brazing and copper alloys

Copper and copper alloys

AWS A5.7 ERCuNiAl

Copper and copper alloys

Duplex stainless steel

AWS A5.9 ER2209

2205 duplex stainless

 AWS A5.9 ER2553

25Cr duplex/super-duplex stainless applications

Hardfacing / cobalt

AWS A5.21 ERCoCr-A

Cobalt hardfacing overlays

Hastelloy C-22

AWS A5.14 ERNiCrCoMo-1

Hastelloy C-22

 AWS A5.14 ERNiCrMo-10

Hastelloy C-22

 AWS A5.14 ERNiCrMo-13

Hastelloy C-22

Hastelloy C-276

AWS A5.14 ERNiCrMo-4

Hastelloy C-276

Inconel 600 / Alloy 600

AWS A5.14 ERNiFeCr-1

Inconel 600 / Alloy 600

 AWS A5.14 ERNiFeCr-2

Inconel 600 / Alloy 600

Low-Alloy / High-Strength Steel

AWS A5.28 ER70S-A1

Low-Alloy / High-Strength Steel

 AWS A5.28 ER80S-B2

Low-Alloy / High-Strength Steel

 AWS A5.28 ER80S-B2L

Low-Alloy / High-Strength Steel

 AWS A5.28 ER80S-B3

Low-Alloy / High-Strength Steel

 AWS A5.28 ER80S-B3L

Low-Alloy / High-Strength Steel

 AWS A5.28 ER80S-Ni2

Low-Alloy / High-Strength Steel

 AWS A5.28 ER80S-W

Low-Alloy / High-Strength Steel

 AWS A5.28 ER90S-B3

Low-Alloy / High-Strength Steel

 AWS A5.28 ER90S-B9

Low-Alloy / High-Strength Steel

 AWS A5.28 ER100S-1

Low-Alloy / High-Strength Steel

 AWS A5.28 ER110S-1

Low-Alloy / High-Strength Steel

 AWS A5.28 ER120S-1

Low-Alloy / High-Strength Steel

Low-alloy steel

AWS A5.28 ER80S-B6

5Cr-0.5Mo chrome-moly steels

 AWS A5.28 ER80S-B8

9Cr-1Mo chrome-moly steels

 AWS A5.28 ER80S-D2

High-strength carbon and low-alloy steels

 AWS A5.28 ER80S-Ni1

Weathering or low-temperature steels

 AWS A5.28 ER100S-G

High-strength low-alloy steel

 AWS A5.28 ER120S-G

High-strength low-alloy steel

Nickel 200 / 201

AWS A5.14 ERNi-1

Nickel 200 / 201

Nickel alloy

AWS A5.14 ERNiCr-3

Nickel alloy 600, Inconel 600, and dissimilar high-temperature joints

 AWS A5.14 ERNiCrMo-3

Nickel alloy 625 and corrosion-resistant overlays

 AWS A5.14 ERNiCu-7

Monel and nickel-copper alloys

Nickel and nickel-chromium alloys

AWS A5.14 ERNiCr-4

Nickel and nickel-chromium alloys

 AWS A5.14 ERNiCr-7

Nickel and nickel-chromium alloys

 AWS A5.14 ERNiCrFe-6

Nickel and nickel-chromium alloys

 AWS A5.14 ERNiCrFe-7

Nickel and nickel-chromium alloys

 AWS A5.14 ERNiCrFe-11

Nickel and nickel-chromium alloys

 AWS A5.14 ERNiCrMo-2

Nickel and nickel-chromium alloys

 AWS A5.14 ERNiCrMo-14

Nickel and nickel-chromium alloys

 AWS A5.14 ERNiMo-3

Nickel and nickel-chromium alloys

Phosphor Bronze

AWS A5.7 ERCuSn-A

Phosphor Bronze

 AWS A5.7 ERCuSn-C

Phosphor Bronze

Stainless steel

AWS A5.9 ER307

Stainless steel

 AWS A5.9 ER308

301, 302, 304, 305, and 308 stainless

 AWS A5.9 ER308H

Stainless steel

 AWS A5.9 ER308L

304 and 304L stainless

 AWS A5.9 ER308LSi

304 and 304L stainless

 AWS A5.9 ER309

309 stainless and selected stainless-to-mild-steel paths

 AWS A5.9 ER309L

Stainless-to-mild steel and 309 stainless

 AWS A5.9 ER312

Dissimilar steels and hard-to-weld stainless repairs

 AWS A5.9 ER316

316 stainless and compatible 316-family work

 AWS A5.9 ER316H

Stainless steel

 AWS A5.9 ER316L

316 and 316L stainless

 AWS A5.9 ER347

321 and 347 stabilized stainless

 AWS A5.9 ER409Nb

409 / 409Nb stainless

 AWS A5.9 ER410

410 martensitic stainless

Super Duplex 2507

AWS A5.9 ER2594

Super Duplex 2507
Use note: AWS classifications are used here as practical lookup keys. Always verify the current AWS specification, manufacturer data sheet, WPS, code requirements, base metal grade, shielding gas or current type, diameter, and package size before purchasing or welding.