... , cold drawing, hot forging etc.Surface finish: acid washing, annealed, manual polished, mechanical polished, cold pilgered Standard: ASTM, GB, JIS, AISI ... HGH1040,Cr20Ni80,Cr20Ni35,Cr15Ni60,0Cr21Al6Nb,0Cr25Al5,0Cr27Al7Mo2 0Cr23Ni13 alloy wire bar