SA572Gr.50/SA572Gr.42与SA572Gr.345/SA572Gr.290

SA572 Gr.50(345)钢板化学成分牌号CSiMnPSNbSA572 Gr.50(345)≤0.230.15~0.4≤1.35≤0.04≤0.050.005~0.05SA572 Gr.50(345)力学性能品种形状详情SA572 Gr.50(345)板Re(MPa)≥345说明Rm(MPa)≥450说明A200(%)≥18说明A50≥21%

SA572Gr.42(290)钢板化学成分CSiMnPSNb≤0.210.15~0.4≤1.35≤0.04≤0.050.005~0.05SA572Gr.42(290)力学性能品种形状详情SA572 Gr.42(290)板Re(MPa)≥290说明Rm(MPa)≥415说明A200(%)≥20说明A50≥24%