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Chinese Standard: GB/T 27890-2011

Marine cryogenic stainless steel socket welding fittings

全国船用机械标准化技术委员会管系附件分技术委员会(SAC/TC 137/SC 3)

本标准规定了船用超低温不锈钢锻制承插焊接头(简称接头)的分类和标记、要求、试验方法、检验规则、标志和包装。
本标准适用于设计压力不大于21 MPa,工作温度不低于-163 ℃的船用不锈钢锻制承插焊接头的设计、制造及验收。岸站不锈钢超低温管路系统的接头也可参照使用。

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