... quality, good service and economical price. Alloy steel plate/Round barFeatures: Steel grade: Alloy steel plate/Round bar(SAE6150/ 50CrVA steel)1) Delivery condition ... ,55;Si =0,20~0,40;Mn =0,70~1,10 ;P≤0.02. S≤0,020; Cr =0,90~1 ... ,20 ;V=0,10~0,253) Specification:Diameter:60~300mm.Length:2000~5800mm, or ...