GB/T11251 12Cr1MoV alloy structure steel plate is Chinese alloy steel material, which is equivalent to EN10028-2 grade 16mo3. GB/T11251 12Cr1MoV alloy structure steel plates are mainly used in the manufacture of bridges, ships, vehicles, boilers, high pressure vessels, oil and gas pipelines, large steel structures and so on.
GB/T11251 12Cr1MoV alloy structure steel plates chemical composition:
| Grade | C | Si | Mn | Cr | Mo | Ni | W | B | Al | Ti | V |
| 12Cr1MoV | 0.08-0.15 | 0.20-0.45 | 0.30-0.60 | 1.35-1.65 | 0.15-0.25 | 0.7.-1.10 |
GB/T11251 12Cr1MoV alloy structure steel plates mechanical properties:
| Grade | Sample Raw Stock Size mm | Heat Treatment | Mechanical Property | ||||
| Quench | Tempering | Tensile Strength MPa | |||||
| Heat Temperature, ℃ | Coolant | Heat Temperature, ℃ | Coolant | ||||
| 1st Quench | 2nd Quench | No Less Than | |||||
| 12Cr1MoV | 30 | 970 | ― | Air | 750 | Air | 490 |
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