409 stainless steel or aluminuzed exhaust?? 409 Stainless Vs 304
304 vs 409 Stainless Steel - bet you didn't know these differences Before you say anything, we do get this question quite often, "Can you MIG weld Stainless Steel to Mild Steel?" The answer is yes, How NOT to MIG Weld Stainless Steel T 409 vs T 304 Stainless Steel ...