May be we can find there is only one word difference between API 5L PSL1 X52 and API 5L PSL2 X52, the content of these two standards is very different. All sai

ASTM A519 Gr.1020 carbon seamless steel pipe with 0.18-0.23 % carbon content with combination of 0.30-0.60 % manganese. ASTM A519 Gr.1020 carbon seamless stee

With the rapid development of high-quality steel strip continuous rolling, advances in welding and inspection technology, and continuous improvement in welding quality, the application of API 5L Gr.B PSL1 welded pipe is increasing.

According to different production methods, DIN17175 13CrMo44 seamless pipe can be divided into hot rolled 13CrMo44 pipe, cold rolled 13CrMo44 pipe, cold drawn 13CrMo44 pipe and extruded 13CrMo44 pipe.