Definition and classification of grades of steel 钢的等级定义和划分
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Definition and classification of grades of steel ; german version en 10020 : 2000 钢的等级定义和划分
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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
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Technical delivery conditions for steel castings for pressure purposes - austenitic and austenitic - ferritic steel grades 压力用途的钢铸件的交付技术状态.第4部分:奥氏体钢和奥氏体-铁素体钢的等级
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Technical delivery conditions for steel castings for pressure purposes - steel grades for use at room temperature and at elevated temperature 压力用途的钢铸件的交付技术状态.第2部分:环境温度和高温下使用钢的等级
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Technical delivery conditions for steel castings for pressure purposes . part 2 : steel grades for use at room temperature and elevated temperatures 压力用途的钢铸件的交货技术条件.第2部分:室温度和高温下使用的钢的等级
