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ER80S-B8 MIG wire

Chrome-moly MIG wire family for compatible B8/P9-type alloys where the procedure calls for it.

MIG / GMAW Low-alloy steel AWS A5.28

Buying Search Review by AWS Grade

This AWS grade is listed for lookup support, but Amazon fallback is gated until the exact filler form, package, and marketplace match can be reviewed. Confirm brand, AWS classification, diameter, package size, shielding/polarity requirements, and seller details before purchasing.

Amazon fallback is held for this AWS grade until the exact filler form, package, and marketplace match can be reviewed. Use the AWS notes below and manufacturer data sheet before buying.

AWS Spec and Fit Notes

AWS familyAWS A5.28

Low-alloy steel electrodes and rods for gas-shielded arc welding.

ProcessMIG / GMAW

MIG wire form. Confirm machine setup and polarity/current type for the exact product.

Common base metal path9Cr-1Mo chrome-moly steels

Low-alloy steel starting point; verify exact alloy and service conditions.

Common diameters.035 in, .045 in

Use diameter, amperage, joint design, and position to narrow the final product search.

Search This AWS Grade by Brand

Open a brand page to search this same AWS classification by brand and diameter. Brand pages are organized for quick comparison and are not verified SKU lists yet.

Selection Notes

Use only with qualified procedure guidance for high-temperature or pressure-service work.

Use this as a starting point only. Confirm the WPS, code requirements, base metal grade, service conditions, and manufacturer data sheet before ordering or welding.

Nearby classifications to compare

More Low-alloy steel MIG Pages

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.