L 450MB steel plate/pipes, under EN 10208-2 standard, we can regard L 450MB steel plate/pipes as large diameter pipes.
L 450MB steel plate/pipes is one mainly of Steel for large diameter pipes,EN 10208-2 L 450MB steel pipes/plate is a higher strength, tough, weldable steel for applications in the oil and gas industry. L450MB Flange Steel meets fully the mechanical property requirements of the EN 10208-2 L 450MB line pipe specifications whilst maintaining a high degree of toughness and weldability.
| L450MB EN10208-2 Material#1.8975 | Comparison of steel grades | |
| DIN 17172 | StE 445.7TM | |
| API5L | X 65 | |
Chemical composition-% by mass*
| Grades | Material number | C max | Si max | Mn. mix | P max | S max |
| L450MB | 1.8975 | 0.04-0.16 | 0.55 | 1.00-1.60 | 0.035 | 0.035 |
| Grade | Permissible yield point ratio | Yield Strength MPa(min) | Tensile Strength MPa | Elongation % (min) |
| L450MB | ≤ 0.85 | 440 | 560 - 710 | - |
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