Grade | C | Si | Mn | P | S | Ni |
Q235C | ≤0.18 | ≤0.30 | 0.35-0.8 | ≤0.035 | ≤0.040 | / |
Q345C | ≤0.20 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.030 | ≤0.50 |
Q460C | ≤0.20 | ≤0.55 | ≤1.80 | ≤0.030 | ≤0.030 | ≤0.80 |
AS1163-C250 | ≤0.12 | ≤0.05 | ≤0.5 | ≤0.040 | ≤0.030 | ≤0.25 |
AS1163-C350 | ≤0.20 | ≤0.05 | ≤1.60 | ≤0.040 | ≤0.030 | ≤0.39 |
AS1163-C450 | ≤0.20 | ≤0.45 | ≤1.60 | ≤0.040 | ≤0.030 | ≤0.39 |
Grade | Yeild Strength min Mpa | Tensile Strength | Elongation | Impact Test | ||
Mpa | Mpa | Circle tube | Square Tube | ℃ | Impact/J | |
≥ | ||||||
Q235C | 235 | 375-500 | ≥20 | 0 | 27 | |
Q345C | 345 | 470-630 | ≥22 | 0 | 34 | |
Q460C | 460 | 550-720 | ≥18 | 0 | 27 | |
AS1163-C250 | 250 | 320 | ≥22 | ≥18 | 0 | 27 |
AS1163-C350 | 350 | 430 | ≥20 | ≥16 | 0 | 27 |
AS1163-C450 | 450 | 500 | ≥16 | ≥14 | 0 | 27 |