Q620E High Strength Structural Steel Plates
The yield strength of Q620E high-strength low-alloy steel plate is 460MPa, and the impact test temperature is -40℃. Q620E low alloy steel material is mainly used to manufacture low-temperature high-strength structural parts, engineering machinery, mining machinery and other large-scale welded structural parts.
If you are satisfied with our Q620E Low Alloy High Strength Steel Plate, welcome to place an order with us. As one of the best Low Carbon Alloy Plate manufacturers and suppliers in China, we have a large number of hot-selling products for you to choose from. For detailed chemical composition and free samples, please contact our factory immediately. We provide competitive prices and good services.
Q620E hSLA structural steel chemical composition
| Grade | C | Si | Mn | P | S | Ni |
| Q620E | ≤0.2 | ≤0.8 | ≤1.7 | ≤0.02 | ≤0.010 | ≤2 |
| Cr | Mo | Cu | Nb | V | Ti | B |
| ≤1.5 | ≤0.7 | ≤0.5 | ≤0.06 | ≤0.12 | ≤0.05 | ≤0.005 |
Q620E high tensile steel Mechanical property
| Thickness | Mechanical properties | ||
| ≤50mm | ReH(MPa) | ≥620 | When the yield is not obvious, use Rp0.2 |
| Rm(MPa) | 700-890 | ||
| A(%) | ≥15 | ||
| Impact temperature | -40 | ||
| Akv(J) | ≥34 | Longitudinal | |
| >50-100mm | ReH(MPa) | ≥580 | When the yield is not obvious, use Rp0.2 |
| Rm(MPa) | 700-890 | ||
| A(%) | ≥15 | ||
| Impact temperature | -40 | ||
| Akv(J) | ≥34 | Longitudinal | |
| >100-150mm | ReH(MPa) | ≥560 | When the yield is not obvious, use Rp0.2 |
| Rm(MPa) | 650-830 | ||
| A(%) | ≥15 | ||
| Impact temperature | -40 | ||
| Akv(J) | ≥34 | Longitudinal | |
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We have excellent after-sales service. If you have any questions about Q620E High Strength Structural Steel Plates, you can contact us and we will reply you within two hours.
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