seamless steel pipe A106B stock list
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API 5L PSL2 Gr.B pipeline steel
API 5L PSL2 Gr.B pipeline steel has good welding performance Good weldability of API 5L PSL2 Gr.B pipeline steel is very important to ensure the integrity of pipeline and field welding quality.One of the most remarkable features of the development of API 5L PSL2 Gr.B pipeline steel in modern times is the continuous reduction of carbon content in steel. Adding trace titanium can restrain the toughness drop in the affected area and improve the API 5L PSL2 Gr.B pipeline steel welding performance. The difficulty and emphasis is on high resilience. With the continuous development of oil and natural gas transportation, the requirements for the performance of oil API 5L PSL2 Gr.B pipeline steel are constantly improved, especially for the toughness. The improvement of these properties requires the content of impurity elements C, S, P, O, N and H in API 5L PSL2 Gr.B pipeline steel...
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