Forged Steel Bar Grade: SNCM439/AISI4340/40CrNiMo Manufacture: EAF+LF+VD(Annealed, Normalized, Peeled, Rough turned) Forged Steel BarDetailed Description: ... Grade: SNCM439/AISI4340/40CrNiMo Manufacture: EAF+LF+VD(Annealed, Normalized, Peeled, Rough turned) Size: 80MM to 1200MM ...