API 5L X56 steel plate, API 5L X56 Steel pipes, under API 5L standard, we can regard X56 steel plate/pipes as large diameter pipes.
X56 steel plate is one mainly of Steel for large diameter pipes,API-X56 steel for the manufacture of buried pipelines for transporting natural gas can succumb to severe degradation due to corrosion by the soil through. The types of corrosion of steel that can be produced are often general corrosion and pitting.And the followings are the chemical composition and the mechanical properties of API X56 steel.
API 5L X56 chemical composition
| Grades | C max |
Si max |
Mn. max |
P max |
S max |
Ti max |
Nb+V+Ti max |
| X56 | 0.22 | 0.015 | 1.40 | 0.025 | 0.015 | 0.04 | 0.15 |
API 5L X56 Mechanical properties
| Grade |
Permissible yield point ratio |
Yield Strength MPa |
Tensile Strength MPa |
Elongation % (min) |
| X56 | - | 386-544 | 490-758 | - |
we are API 5L X56 steel suppliers ,we also can supply API 5L X52,API 5L X60,API 5L X65,API 5L X70,API 5L X80,please contact us if you need.
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