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Standard
HG/T 21630-1990 Reinforcing Nozzle (English Version) |
Detail of HG/T 21630-1990
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Introduction of HG/T 21630-1990
本标准规定了当量压力P小于6.4MPa的钥制压力容器壳体开孔补强设计用补强管的型式、尺寸和使用要求。本标准适用于直接焊接在压力容器壳体上,用作开孔补强的圆形补强管。
Contents of HG/T 21630-1990