Q345C Low-alloy High-strength Steel Plate
The low temperature impact test temperature of Q345C low alloy high strength steel material is lower, and its performance is better than Q345A and Q345B steel. Q345C HSLA structural steel has good comprehensive mechanical properties, good weldability, hot and cold processing, corrosion resistance, and good low temperature toughness.
GNEE steel is a professional exporter and steel distributor of Q345C low alloy steel plates in China. We have more than 50,000 tons of Q345C low alloy structural steel in stock every month. We provide rust removal, cutting, punching, bending, welding and other services. For Q345C low alloy steel sheet prices, please feel free to contact us by email or phone.
Q345C high strength steel plate chemical composition
| Grade | C≤ | Mn≤ | Si≤ | P≤ | S≤ | V≤ | Nb≤ | Ti≤ | Cr≤ | Ni≤ | Cu≤ | N≤ | Mo≤ | B | Als≥ |
| Q345C | 0.20 | 1.70 | 0.50 | 0.030 | 0.030 | 0.15 | 0.07 | 0.20 | 0.30 | 0.50 | 0.30 | 0.012 | 0.10 | - | 0.015 |
Q345C high tensile steel plate Yield strength
| Thk (mm) | To 16 | 16-40 | 40-63 | 63-80 | 80- 100 | 100-150 | 150-200 | 200-250 | 250-400 |
| Q345C | 345 | 335 | 325 | 315 | 305 | 285 | 275 | 265 | - |
Q345C high strength steel sheet tensile strength
| Thk (mm) | To 40 | 40-63 | 63-80 | 80- 100 | 100-150 | 150-250 | 250-400 |
| Q345C | 470-630 | 470-630 | 470-630 | 470-630 | 450-600 | 450-600 | - |
Q345C high strength plate elongation
| Thk (mm) | To 40 | 40-63 | 63-100 | 100-150 | 150-250 | 250-400 |
| Q345C | 21 | 20 | 20 | 19 | 18 | - |
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