HRAP Wire Rod RHS Stainless
AISI 17 4 The 17 4 stainless steel bar also called as UNS S17400 Grade 630 and 17 4 PH was developed in the 50s and is called one of the original precipitation hardened grades It is mainly comprised of 4% nickel 17% chromium and 4% copper with the balance being iron There also are trace amounts of phosphorus manganese silicon sulfur