Q345E Low Alloy Steel Plate
Q345E steel plate is a low alloy high strength structural steel of China GB standard, with material density of 7.85 g/cm3, tensile strength of 470-630 Mpa, and yield strength of 345 MPa.
GNEE steel is a professional exporter and steel distributor of Q345E low alloy steel in China. We have more than 50,000 tons of Q345E low alloy steel material in stock every month. We provide rust removal, cutting, punching, bending, welding and other services. For Q345E high strength low alloy steel prices, please feel free to contact us by email or phone.
Q345E high strength steel chemical composition
| Grade | C≤ | Mn≤ | Si≤ | P≤ | S≤ | V≤ | Nb≤ | Ti≤ | Cr≤ | Ni≤ | Cu≤ | N≤ | Mo≤ | B | Als≥ |
| Q345E | 0.18 | 1.70 | 0.50 | 0.025 | 0.020 | 0.15 | 0.07 | 0.20 | 0.30 | 0.50 | 0.30 | 0.012 | 0.10 | - | 0.015 |
Q345E high tensile steel Yield strength
| Thk (mm) | To 16 | 16-40 | 40-63 | 63-80 | 80- 100 | 100-150 | 150-200 | 200-250 | 250-400 |
| Q345E | 345 | 335 | 325 | 315 | 305 | 285 | 275 | 265 | 265 |
Q345E high strength steel sheet tensile strength
| Thk (mm) | To 40 | 40-63 | 63-80 | 80- 100 | 100-150 | 150-250 | 250-400 |
| Q345E | 470-630 | 470-630 | 470-630 | 470-630 | 450-600 | 450-600 | 450-600 |
Q345E high strength alloy steel impact test
| Grade | Test Temperature | Min. absorbed energy | ||
| 12mm-150mm | 150mm-250mm | 250mm-400mm | ||
| Q345E | -40℃ | ≥34J | ≥27J | ≥27J |
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