Alloy steel plate/Round bar SAE6150/ 50CrVA steel We can offer nice quality, good service and economical price. Alloy steel plate/Round barFeatures: Steel grade: Alloy steel plate/Round bar(SAE6150/ 50CrVA steel)1) Delivery condition: Hot-rolled, Spheoridized annealing, black surfaceHardness: ≤220HB2) Chemical composition: C =0,47~0,55;Si =0,20~0,40;Mn =0,70~1,10 ;P≤0.02. S≤0,020; Cr =0,90~1,20 ; ...