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Best MIG Wire for Welding Over Rust and Mill Scale

by HYW Products
ER70S-6 MIG welding wire 550 lb drum for welding over mill scale and light rust
Why ER70S-6 is the go-to solid MIG wire for steel with light rust or mill scale, how to prep, and when grinding is the only real answer.
Posted in Application Guide, ER70S-6, MIG Wire, Mill Scale, Rust, Welding