Chinese Standard: GB/T 29537-2013

Pipe threads with 80 degree thread angle where pressure-tight joints are not made on the threads

全国螺纹标准化技术委员会(SAC/TC 108)

本标准规定了牙型角为80°、螺纹副不具有密封性的圆柱管螺纹的牙型、尺寸、公差、标记和检验。
本标准适用于薄壁管件的螺纹连接。

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