Chemical component %
Standard | Grade | C | Si | Mn | P | S | Cr |
GB/T 700 | Q235 | 0.2 | 0.35 | 0.5 | 0.035 | 0.04 | |
GB/T 1591 | Q345 A-E | 0.18-0.2 | 0.5 | 1.7 | 0.025-0.035 | 0.02-0.035 | 0.3 |
AS/NZS 1163:2009 | C250, C250L0 | 0.12 | 0.05 | 0.5 | 0.03 | 0.03 | 0.15 |
C350, C350L0 | 0.2 | 0.45 | 1.6 | 0.03 | 0.03 | 0.3 | |
C450, C450Lo | 0.2 | 0.45 | 1.7 | 0.03 | 0.03 | 0.5 |
Mechanical Property
Standard |
Grade | Yield Strength σs MPa | Tensile Strength σb MPa |
Elongation δ5 % |
GB/T 700 | Q235 B | 235 | 370-500 | 21-26 |
GB/T 1591 | Q345 A-E | 345 | 450-630 | 17-21 |
AS/NZS 1163:2009 | C250, C250L0 | 250 | 320 | 14-22 |
C350, C350L0 | 350 | 430 | 12-10 | |
C450, C450Lo | 450 | 500 | 10-16 |
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