ERCuNi gas welding rod
Copper-nickel filler classification used for selected TIG and oxy-fuel copper-nickel and cast-iron repair paths.
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
Copper and copper-alloy bare electrodes and rods.
gas welding rod form. Confirm machine setup and polarity/current type for the exact product.
Copper / bronze starting point; verify exact alloy and service conditions.
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.
1/16 in, 3/32 in, 1/8 in
Hobart ERCuNi searches1/16 in, 3/32 in, 1/8 in
Washington Alloy ERCuNi searches1/16 in, 3/32 in, 1/8 in
Harris ERCuNi searches1/16 in, 3/32 in, 1/8 in
Weldcote ERCuNi searches1/16 in, 3/32 in, 1/8 in
ESAB ERCuNi searches1/16 in, 3/32 in, 1/8 in
Crown Alloys ERCuNi searches1/16 in, 3/32 in, 1/8 in
Crown Alloys Catalog Products on This AWS Path
These Crown product names and part numbers are transcribed from the Crown TAG 2024 catalog and linked back to the Crown catalog lookup page. They are not confirmed distributor inventory or exact Amazon matches.
Royal 55/45-10
6 catalog part numbers
View Crown part numbers
Selection Notes
Verify the base alloy, heat input, shielding or flame setup, and the manufacturer procedure before welding.
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.