1,Lowest price Alloy Steel Bar! 2,Fast delivery time 3,Diameter:20mm-500mm 4,Length ... NF),GB,JIS. Detailed Product Description Company Main Products: 1.Alloy Steel Round bars: USA1330,1340,1345,4028,4032,4042,4118,4120,4121 ... 30Cr,40Cr,45Cr,35CrMo,42CrMo,38CrMoAl,50CrVA,40CrNiMoA,20CrNiMoA2,stainless steel round bars: USAJapenJISGermany British FranceEN(DIN BS NF)AISI,ASTMUNS202S20200SUS2021. ...