API 5L PSL1 X70 seamless steel tube belongs to low carbon or ultra-low carbon microalloyed steel, which is a product with high technical content and high added value.

Therefore, API 5L PSL1 X70 seamless steel tube should have high strength, low Bauschinger effect, high toughness and brittle fracture resistance, low carbon content and good weldability, HIC and H2S corrosion resistance.

API 5L PSL1 X70 seamless steel tube chemical composition

API 5L PSL1 X70 seamless steel tube mechanical properties

API 5L PSL1 X70 seamless steel tube specification scope

API 5L PSL1 X70 seamless steel tube Technical Requirements & Additional Services:
1, Drop weight test (DWTT).
2, Low temperature impacting test.
3, Ultrasonic test under EN 10160, ASTM A435, A577, A578.
4, Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2.
5, Shot blasting and Painting,Cutting and welding as per end user’s demands.

API 5L PSL1 X70 seamless steel tube is used for the production of engineering structural steel for oil and gas pipelines and other fluid pipelines. API 5L PSL1 X70 seamless steel tube refers to the large-diameter welded steel pipe used for transporting oil, natural gas, etc. for hot rolling coil plate or wide thick plate. API 5L PSL1 X70 seamless steel tube requires not only high compressive strength, but also high low temperature toughness and excellent welding performance.