... , SB46, 14Mn4, 34CrNiMo6, 20Cr4, 20Cr, 40Cr,65Mn length: 1-13m alloy tool steel:dia: 80-800mmlength: max 13mmaterial: 1045 /CK45N /S45C /S355J2G3 ... -1200GB/T699-199935CrNi3W25Cr2MoV35-45#34Cr2Ni2Mo20SiMn2MoV15-65Mn17Cr2Ni2Mo12CrNi2T8-T10AGB 80-100020CrNiMoH12-37CrNi3MoA alloy round steel bar 55NiCrMoV6