E312FC-O flux-cored wire

Catalog-backed stainless flux-cored family for repair-focused work where the exact classification is specified.

Flux-Cored / FCAW Stainless steel AWS A5.22

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 A5.22

Stainless steel flux-cored and metal-cored electrodes for arc welding.

ProcessFlux-Cored / FCAW

flux-cored wire form. Confirm machine setup and polarity/current type for the exact product.

Common base metal pathDissimilar steels and hard-to-weld stainless repairs where E312FC-O is specified

Stainless steel starting point; verify exact alloy and service conditions.

Common diameters.035 in, .045 in, 1/16 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.

Lincoln Electric E312FC-O searches

.035 in, .045 in, 1/16 in

Hobart E312FC-O searches

.035 in, .045 in, 1/16 in

Washington Alloy E312FC-O searches

.035 in, .045 in, 1/16 in

Victory Alloy E312FC-O searches

.035 in, .045 in, 1/16 in

Harris E312FC-O searches

.035 in, .045 in, 1/16 in

Weldcote E312FC-O searches

.035 in, .045 in, 1/16 in

ESAB E312FC-O searches

.035 in, .045 in, 1/16 in

Selection Notes

Confirm self-shielded/open-arc status, base metals, dilution, polarity, position, diameter, and manufacturer data sheet.

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

E309LFC-O

More Stainless steel Flux-Core Pages

AWS A5.22 E308LFC-O

304 and 304L stainless self-shielded/FC-O welding where specified

AWS A5.22 E308LT1-1/-4

304 and 304L stainless flux-cored welding

AWS A5.22 E309LFC-O

309 stainless and stainless-to-mild steel self-shielded/FC-O welding where specified

AWS A5.22 E309LT1-1/-4

309 stainless and stainless-to-mild steel flux-cored welding

AWS A5.22 E316LFC-O

316 and 316L stainless self-shielded/FC-O welding where specified

AWS A5.22 E316LT1-1/-4

316 and 316L stainless flux-cored welding

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.