API 5L Gr.B steel plate/pipes for largediameter pipes
Gr.B steel plate/pipes, API5L Gr.B steel plate/pipes, under API 5L standard, we can regard Gr.B steel plate/pipes as large diameter pipes.
Gr.B steel plate/pipes is one mainly of Steel for large diameter pipes,API-Gr.B steel is manufactured usingpremium grade of raw material. These are used to flow steam, water, oil and various petrochemicals substance in variouspetrochemical and chemical industries. These Steel Seamless Pipes arewidely appreciated for high performance and less maintenance.
| Gr.B API5L Material#1.0457 | Comparison of steel grades | |
| DIN 17172 | StE240.7 | |
| EN10208-2 | L245NB | |
Chemical analysis -% by mass*
| Grades | Material number | C max | Si max | Mn. mix | P max | S max |
| Gr.B | 1.0457 | 0.17 | 0.45 | 0.4 | 0.04 | 0.035 |
Mechanical properties
| Grade | Permissible yield point ratio | Yield Strength MPa(min) | Tensile Strength MPa | Elongation % (min) |
| Gr.B | ≤ 0.85 | 240 | 370 - 490 | 24 |
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