This standard covers the procedures for the heat joining of pipe and fittings made from polyolefin materials utilizing either the socket or butt fusion methods.
这个标准涵盖采用承插热熔和对焊热熔方法对聚烯烃材料管道和连接件进行热连接的程序。
Especially for tubular thread processing, such as pipe fittings, bicycle, motorcycle parts, heat pipes, tubes and other dental rolling processing.
特别适用于中空管状螺纹加工，如油管接头、自行车、汽机车零件、散热管、牙管等滚牙加工。
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