BS 2HR 51. Specification for high expansion heat-resisting steel billets, bars, forgings and parts (Ni 25.5, Cr 15, Ti 2, Mn 1. 5, Mo 1.25, Si 0.7, V 0.3) (Solution treated at 980 degreesC)
BS 2HR 51 高膨胀耐热钢坯、棒材、锻件和零件规范(镍25.5、铬15、钛2、锰1.5、钼1.25、硅0.7、钒0.3)(在980摄氏度下进行固溶处理)