Petroleum and natural gas industries—Threading,gauging and thread inspection of casing,tubing,and line pipe threads
本标准规定了API管线管、圆螺纹套管、圆螺纹油管、偏梯形螺纹套管、直连型套管的连接螺纹(简称API螺纹)和量规的尺寸和标记要求以及用于检验API螺纹和量规的仪器和方法。
<br/> 本标准适用于石油天然气工业用套管、油管和管线管螺纹的加工、测量和检验。
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