Q390E Low Alloy High Strength Steel
When the thickness of Q390E high-strength low-alloy structural steel is equal to or less than 16 mm, the minimum tensile strength is 490Mpa and the minimum yield strength is 390Mpa. When rolling Q390E HSLA steel plate, impact test should be carried out at minus 40 degrees Celsius.
If you are satisfied with our Q390E high strength sheet metal, welcome to place an order with us. As one of the best high tensile steel sheetmanufacturers 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.
Q390E high tensile steel plate chemical composition
|
Grade |
C |
Si |
Mn |
P |
S |
Nb |
V |
|
Q390E |
≤0.20 |
≤0.50 |
≤1.70 |
0.025 |
0.020 |
0.07 |
0.20 |
|
Ti |
Cr |
Ni |
Cu |
N |
Mo |
Als |
|
|
0.20 |
0.30 |
0.50 |
0.30 |
0.015 |
0.10 |
0.015 |
Q390E high tensile steel Mechanical property
|
Grade |
Thickness |
Yield strength |
Tensile strength |
|
|
Q390E |
≤16 |
≥390 |
≤40 |
490-650 |
|
16-40 |
≥370 |
40-63 |
490-650 |
|
|
40-63 |
≥350 |
63-80 |
490-650 |
|
|
63-80 |
≥330 |
80-100 |
490-650 |
|
|
80-100 |
≥330 |
100-150 |
470-620 |
|
|
100-150 |
≥310 |
150-250 |
- |
|
|
150-200 |
- |
250-400 |
- |
|
|
200-250 |
- |
- |
- |
|
|
250-400 |
- |
- |
- |
|
Q390E high tensile alloy steel weight sizes
| Plate Thickness (mm) |
Weight (kg/m2) |
| 35 mm | 275 |
| 40 mm | 314 |
| 45 mm | 353 |
| 50 mm | 393 |
| 55 mm | 432 |
| 60 mm | 471 |
| 65 mm | 510 |
| 70 mm | 550 |
| 75 mm | 589 |
| 80 mm | 628 |
| 90 mm | 707 |
| 100 mm | 785 |
| 110 mm | 864 |
| 120 mm | 942 |
| 130 mm | 1051 |
| 150 mm | 1178 |
| 160 mm | 1256 |
| 180 mm | 1413 |
| 200 mm | 1570 |
| 250 mm | 1963 |
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