304 STAINLESS STEEL EXHAUST VS. OTHER CHEAPER EXHAUST MATERIAL 409 Stainless Vs 304
409 has about 11% Cr and almost no Ni, so it will discolor at lower temperatures than 304. If you can weld mild or carbon steel without How to MIG Weld Stainless Steel Exhausts With Flux Core! How to distinguish 304 and 316 stainless steel Welding 409 SS ...