●HR600/780HE化学成份:
HR600/780HE碳C: ≤0.18
HR600/780HE硅Si: ≤1.2
HR600/780HE锰Mn: ≤2.0
HR600/780HE硫S : ≤0.010
HR600/780HE磷P: ≤0.050
HR600/780HE铝Al: ≥0.015
●HR600/780HE力学性能:
HR600/780HE屈服强度o0.2 (MPa): ≥600-800
HR600/780HE抗拉强度:obMPa ≥780
HR600/780HE伸长率o5%: ≥12
HR600/780HE扩孔率/%: ≥55
