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Q890D steel plate chemical composition and mechanical properties
Posted:2021-08-24 09:43:09
Q890D steel plate is a quenched and tempered high-strength steel plate, the implementation standard is GB/T 16270.
| Grade | Chemical composition (%), not more than | |||||||||||
| C | Si | Mn | P | S | Cr | Ni | Mo | B | V | Nb | Ti | |
| Q890D | 0.20 | 0.80 | 2.00 | 0.25 | 0.015 | 1.50 | 2.00 | 0.70 | 0.005 | 0.12 | 0.06 | 0.05 |
3. Q890D steel plate mechanical properties:
| Grade | Tensile test | ||||||
| Yield strength bREH/MPa, Min. | Tensile strength Rm/MPa | ||||||
| Thickness/mm | Thickness/mm | ||||||
| ≤50 | >50~100 | >100~150 | ≤50 | >50~100 | >100~150 | ||
| Q890D | 890 | 830 | - | 940~1100 | 880~1100 | - | |
4. Q890D steel impact test performance:
| Grade | Impact test | |||
| Impact absorption energy (longitudinal) KV2/J | ||||
| Test temperature | ||||
| 0° | -20° | -40° | -60° | |
| Q890D | 34 | 34 | 27 | 27 |
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