Technical delivery conditions for steel castings for pressure purposes - steels for use at low temperatures 压力用途的钢铸件交付技术状态.低温下使用的钢
2.
Technical delivery conditions for steel castings for pressure purposes . part 3 : steel grades for use at low temperatures 压力用途的钢铸件的交货技术条件.第3部分:低温下使用的钢的等级