Special steel bars, Size:90-800mm Black surface and Rough turned bars. Hot forged steel round bar.Grade:ASTM A350LF2Similar steel grade:S355J2G3,16Mn,ST52- ... Delivery time: 60 days after L/C.Steel Grade:Carbon Steel:C45,CK45, C60,CK15Alloy Steel: ST52-3,ASTM A105,42CrMo4,S355J2G3, ... , 17CrNiMo6,21CrMoV511,56NiCrMoV7, SS355J2Manufacturer:Jiangsu Zhuhong Forging Co.,Ltd. Special steel round bar A350LF2