Q420E high strength low alloy steel
Q420E hsla steel sheet is a low-alloy high-strength structural steel plate. The implementation standard of Q420E low alloy steel plate is the special technical conditions of GB/T3274.
Q420E high strength steel itself not only has high strength, but also carries some comprehensive high-quality properties of steel plates such as high toughness, fatigue resistance, impact resistance, wear resistance, low temperature resistance, corrosion resistance and easy welding and processing.
Q420E Hsla Steel Chemical Composition:
| C | Si | Mn | P | S | V | Nb | Ti | Al (min.) | Cr | Ni |
| 0.20 | 0.55 | 1.00-1.70 | 0.025 | 0.025 | 0.02-0.20 | 0.015-0.060 | 0.02-0.20 | 0.015 | 0.40 | 0.70 |
Q420E Low Alloy Steel Mechanical Property:
| Thickness (mm) | ||||
| Q420E | ≤ 16 | > 16 ≤ 35 | > 35 ≤ 50 | >50 |
| Yield strength (≥Mpa) | 420 | 400 | 380 | 360 |
| Tensile strength (Mpa) | 520-680 | |||
structural alloy steel plate
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