ERCuSi-A MIG wire
Silicon bronze MIG wire commonly used for MIG brazing, sheet metal, and some copper-alloy joining.
Amazon Search by AWS Grade
These links search Amazon using the AWS classification plus process/form, diameter, and package wording where useful. They are not verified exact-product buy buttons; confirm brand, AWS classification, diameter, package size, shielding/polarity requirements, and seller details before purchasing.
AWS Spec and Fit Notes
Copper and copper-alloy bare electrodes and rods.
MIG wire 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.
.023 in, .030 in, .035 in
Hobart ERCuSi-A searches.023 in, .030 in, .035 in
Washington Alloy ERCuSi-A searches.023 in, .030 in, .035 in
Victory Alloys ERCuSi-A searches.023 in, .030 in, .035 in
Harris ERCuSi-A searches.023 in, .030 in, .035 in
Weldcote ERCuSi-A searches.023 in, .030 in, .035 in
ESAB ERCuSi-A searches.023 in, .030 in, .035 in
Crown Alloys ERCuSi-A searches.023 in, .030 in, .035 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.
Crown Silicon Bronze
21 catalog part numbers
View Crown part numbers
Victory Alloys Catalog Products on This AWS Path
These Victory product names and catalog part numbers come from the official Victory document library. They are not confirmed distributor inventory or exact Amazon matches.
Victory Silicon-Bronze
26 catalog part numbers
ERCuSi-A
View Victory part numbers
Selection Notes
This may be brazing/braze-welding rather than fusion welding depending on setup and base metal.
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.