ASME SA515Gr70 SA516 Gr70钢板

A516GR70化学成分wt(％) 牌号 规格㎜ C Si Mn P≤ S≤ Cu Ni Cr Mo V Nb Ti Alt A516GR70 熔炼分析 ≤12.5 ≤0.27 0.15-0.40 0.85-1.20 0.035 0.035 ≤0.40 ≤0.40 ≤0.30 ≤0.12 ≤0.03 ≤0.02 ≤0.03 ≥0.020 ＞12.5-50 ≤0.28 成品分析 ≤12.5 ≤0.27 0.13-0.45 0.79-1.30 0.035 0.035 ≤0.43 ≤0.43 ≤0.34 ≤0.13 ≤0.04 ≤0.03 ≤0.04 ≥0.020 ＞12.5-50 ≤0.28