Chinese Standard: GB/T 12459-2017

Steel buttwelding pipe fittings—Types and parameter

全国管路附件标准化技术委员会(SAC/TC 237)

本标准规定了DN 15～DN 1500（NPS1/2～NPS60）钢制对焊管件（以下简称管件）的类型与代号、管件的压力设计、管件尺寸、表面轮廓、端部坡口、公差、标志和产品质量合格证明书等要求。

本标准适用于钢制对焊无缝和焊接管件。

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