细晶粒低温钢SA516中温及低温压力容器用碳素钢板SA516钢板的化学成分牌号CMn
(熔炼分析)PSSiGr55≤0.260.6-1.2≤0.035≤0.0350.15-0.4Gr60≤0.270.6-1.2≤0.035≤0.0350.15-0.4Gr65≤0.290.85-1.2≤0.035≤0.0350.15-0.4Gr70≤0.310.85-1.2≤0.035≤0.0350.15-0.4SA516钢板的机械性能等级钢板状态屈服强度σb
( MPa )抗拉强度σ0.2
( MPa )伸长率δ 4
%Gr55正火≥205380-515≥27Gr60正火≥220415-550≥25Gr65正火≥240450-585≥23Gr70正火≥260485-620≥21SA516钢板的冲击性能等级钢板状态板厚
(mm)最低冲击
试验温度(℃)Akv(纵向)
(J)55正火≤ 25-51≥1825-50-5150-75-4675-125-4660正火≤ 25-51≥1825-50-4650-75-4675-125-4665正火≤ 25-51≥1825-50-4650-75-4075-125-3270正火≤ 25-46≥2025-50-4050-75-3575-125-29产地:欧洲、美国、韩国;
等级:55,60,65,70