Q390D High Strength Steel Plate
Q390D is a Chinese low-alloy high-strength structural steel grade with a yield strength of 390 MPa and a tensile strength of 470-630 MPa. Q390D high strength plate should be impact tested at a low temperature of minus 20 degrees Celsius.
If you are satisfied with our Q390D high strength low alloy structural steel plate, welcome to place an order with us. As one of the best high strength low alloy steel 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.
Q390D high strength structural steel chemical composition
| Q390D high strength sheet metal | ||||||||||
| C | Si | Mn | P | S | V | Nb | Ti | Al (min.) | Cr | Ni |
| 0.20 | 0.55 | 1.00-1.60 | 0.030 | 0.030 | 0.02-0.20 | 0.015-0.060 | 0.02-0.20 | 0.015 | 0.30 | 0.70 |
Q390D high tensile alloy steel Mechanical property
| rade | Thickness | Yield Strength (Mpa) | Tensile Strength | Elongation(%) | ImpactEnergy | |
| (mm) | (MPa) | Min | ||||
| Q390D | ≤ 16 | 390 | 490-650 | 20 | -20 | 34 |
| >16-35 | 370 | 490-650 | 20 | -20 | 34 | |
| >35 | 350 | 490-650 | 20 | -20 | 34 | |
| The min impact energy is longitudinal energy | ||||||
Q390D high tensile steel sheet weight sizes
| Plate Thickness (mm) |
Weight (kg/m2) |
| 5 mm | 39.03 |
| 6 mm | 47.01 |
| 8 mm | 62.08 |
| 10 mm | 78.05 |
| 12.05 mm | 98.01 |
| 15 mm | 118 |
| 20 mm | 157 |
| 22.05 mm | 177 |
| 25 mm | 196 |
| 30 mm | 236 |
| 32 mm | 251 |
| 35 mm | 275 |
| 40 mm | 314 |
| 45 mm | 353 |
| 50 mm | 393 |
| 55 mm | 432 |
| 60 mm | 471 |
| 65 mm | 510 |
| 70 mm | 550 |
Low Alloy High Strength Steel Plate Products image
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We have excellent after-sales service. If you have any questions about Q390D High Strength Steel Plate, you can contact us and we will reply you within two hours.
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