... equipment Process method: cold rolling, cold drawing, hot forging etc.Surface finish: acid washing, annealed, manual polished, mechanical polished, cold pilgered ... ,1Cr18Ni9Ti,1Cr20Ni14Si2 HGH1040,Cr20Ni80,Cr20Ni35,Cr15Ni60,0Cr21Al6Nb,0Cr25Al5,0Cr27Al7Mo2 1Cr13 stainless steel 410