SM490YB high strength low alloy hsla steel
SM490YB low alloy structural steel is a kind of special steel dedicated to the construction of offshore platforms, SM490YB low alloy steel sheet has excellent strength, corrosion resistance and welding performance.
SM490YB high strength steel plate has excellent tensile strength and yield strength, which can meet the requirements of offshore platforms in extreme environments.
At the same time, SM490YB high tensile steel plate also has good elongation and shrinkage, which can ensure that it can maintain good plastic deformation ability when subjected to external forces.
high tensile steel Chemical Composition
| Thickness(mm) | C | Si | Mn | P | S |
| T≤50 | 0.20 | 0.55 | 1.60 | 0.035 | 0.035 |
| 50<T |
high strength steel mechanical property
| Thickness (mm) | ≤16 | >16 ≤ 40 | >40 ≤ 75 | >75 ≤ 100 | >100 ≤ 160 | > 160 |
| Yield strength (≥Mpa) | 365 | 355 | 335 | 325 | 325 | 325 |
| Thickness (mm) | ≤ 100 | > 100 | ||||
| Tensile strength (Mpa) | 490-610 | 490-610 | ||||
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