... 3, 42CrMo4V, 41AlCrMo7.21CrMoV5-11, 34CrNiMo6, 30CrNiMo8, 3Grade: CK45N, CK60, S355J2G3, A105, ST52-3, 42CrMo4V, 41AlCrMo7, 21CrMoV5-11, 34CrNiMo6, 30CrNiMo8, 39NiCrMo3 ... QT, solution treated, etc.Product: forged round, forged shafts forged cylinder, forged disk, forged hollow, forged square, forged ringsSize: Dia.80mm to ... max. Do not miss Manufacturer directly supply 300s stainless steel round bars