●HR600/780HE化學(xué)成份:
HR600/780HE碳C: ≤0.18
HR600/780HE硅Si: ≤1.2
HR600/780HE錳Mn: ≤2.0
HR600/780HE硫S : ≤0.010
HR600/780HE磷P: ≤0.050
HR600/780HE鋁Al: ≥0.015
●HR600/780HE力學(xué)性能:
HR600/780HE屈服強(qiáng)度o0.2 (MPa): ≥600-800
HR600/780HE抗拉強(qiáng)度:obMPa ≥780
HR600/780HE伸長(zhǎng)率o5%: ≥12
HR600/780HE擴(kuò)孔率/%: ≥55
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