Low Alloy High Strength Steel Plate Q420A
The tensile strength of Q420A low alloy steel plate is between 520-680Mpa, and the minimum yield strength of 16mm or less is 420Mpa. It is mainly used for manufacturing factory buildings, general structures and construction machinery and equipment.
If you are satisfied with our Q420A high strength low alloy steel, welcome to place an order with us. As one of the best high strength low alloy hsla steel 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.
Q420A high strength steel chemical composition
| Q420A low alloy steel material | |||||||||
| C | Si | Mn | P | S | V | Nb | Ti | Cr | Ni |
| 0.20 | 0.55 | 1.00-1.70 | 0.045 | 0.045 | 0.02-0.20 | 0.015-0.060 | 0.02-0.20 | 0.40 | 0.70 |
Q420A high tensile steel Mechanical property
| Thickness (mm) | ||||
| Q420A | ≤ 16 | > 16 ≤ 35 | > 35 ≤ 50 | >50 |
| Yield strength (≥Mpa) | 420 | 400 | 380 | 360 |
| Tensile strength (Mpa) | 520-680 | |||
Q420A high strength alloy steel Available sizes
| Nominal Size Thickness (inches) |
Weight (lb/ft2) |
| 3/16 inches | 7.065 |
| 1/4 inches | 10.020 |
| 5/16 inches | 12.075 |
| 3/8 inches | 15.030 |
| 7/16 inches | 17.085 |
| 1/2 inches | 20.040 |
| 9/16 inches | 22.095 |
| 5/8 inches | 25.050 |
| 11/16 inches | 28.005 |
| 3/4 inches | 30.060 |
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We have excellent after-sales service. If you have any questions about Low Alloy High Strength Steel Plate Q420A, you can contact us and we will reply you within two hours.
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