X60 / L415 Executive Standard: API SPEC 5L
X60/L415 specifications 18-70mm (conventional),> 70mm need agreement of technical department.
In addition to high compressive strength, X60 / L415 pipeline steel requires high temperature toughness and excellent welding performance.
X60 / L415 production and technical research direction:
The domestic demand for pipeline steel is mainly X70 grade, and the new line is targeted at the production of X80 grade hot rolled wide steel strip and X100 grade thick and thick plate to adapt to the design of 10MPa and the recent delivery pressure above 14MPa. China already has the capacity to manufacture X60 spiral welded pipes with a capacity of over 700,000 tons, but the production capacity and quality of large-diameter straight-seam submerged arc welded pipes cannot meet the needs of the project. It will be inevitable to continue to import some finished pipes.
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