API 5L X80 steel plate/pipes for large diameter pipes X80 steel plate/pipes, API 5L X80 steel plate/pipes, under API 5L standard, we can regard X80 steel plate/pipes as large diameter pipes.
X80 steel plate/pipes is one mainly of Steel for large diameter pipes,API-X80 steel with good low temperature toughness was developed and the buckling behavior of X80 steel plate/pipe was investigated through large scale deformation tester.
| X80 API5L Material#1.8978 | Comparison of steel grades | |
| EN10208-2 | L555MB | |
| Grades | Material number |
C max | Si max | Mn. max | P max | S max | AL min | Mo max | Ni max | Nb max |
| X80 | 1.8978 | 0.08 | 0.26 | 1.75 | 0.011 | 0.0005 | 0.03 | 0.27 | 0.22 | 0.070 |
API 5L X80 Mechanical Propertities
| Grade | Permissible yield point ratio |
Yield Strength MPa(min) |
Tensile Strength MPa |
Elongation % (min) |
| X80 | ≤ 0.90 | 555 | 625 - 700 | 20 |
BEBON steel can supply API 5L X70,API 5L X65,API 5L X60,API 5L X52,please contact us if you need.
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