Low Alloy High Strength Q420D Steel Plate
Q420D steel plate is a high-strength low-alloy structural steel. Q420D low alloy steel material is not only a high-strength steel, but also a low-carbon steel. Q420D high strength low alloy steel plate has high strength, good fatigue resistance, good corrosion resistance, and certain wear resistance.
If you are satisfied with our Q420D high tensile alloy steel plate, welcome to place an order with us. As one of the best high tensile steel sheet 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.
Q420D high strength plate chemical composition
| Q420D high strength low alloy plate | ||||||||||
| C | Si | Mn | P | S | V | Nb | Ti | Al (min.) | Cr | Ni |
| 0.20 | 0.55 | 1.00-1.70 | 0.030 | 0.030 | 0.02-0.20 | 0.015-0.060 | 0.02-0.20 | 0.015 | 0.40 | 0.70 |
Q420D high strength sheet metal Mechanical property
| Grade | Thickness | Yield Strength (Mpa) | Tensile Strength | Elongation(%) | Impact Energy | |
| (mm) | (MPa) | Min | ||||
| Q420D | ≤ 16 | 420 | 520-680 | 19 | -20 | 34 |
| >16-35 | 400 | 520-680 | 19 | -20 | 34 | |
| >35 | 380 | 520-680 | 19 | -20 | 34 | |
| The min impact energy is longitudinal energy | ||||||
Q420D high strength structural steel thickness chart
| Item Dimension thickness is in inches | ||
|---|---|---|
| 0.025 inch | 4 inch | 0.75 inch |
| 0.032 inch | 3.5 inch | 0.875 inch |
| 0.036 inch | 0.109 inch | 1 inch |
| 0.04 inch | 0.125 inch | 1.125 inch |
| 0.05 inch | 0.16 inch | 1.25 inch |
| 0.063 inch | 0.19 inch | 1.5 inch |
| 0.071 inch | 0.25 inch | 1.75 inch |
| 0.08 inch | 0.3125 inch | 2 inch |
| 0.09 inch | 0.375 inch | 2.5 inch |
| 0.095 inch | 0.5 inch | 3 inch |
| 0.1 inch | 0.625 inch | |
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We have excellent after-sales service. If you have any questions about Low Alloy High Strength Q420D Steel Plate, you can contact us and we will reply you within two hours.
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