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U steel channel, channel steel,
Specification of Steel Channel
Grade | Chemical Composition% ≤ | ||||
C | Si | Mn | S | P | |
Q225B | 0.20 | 0.30 | 0.70 | 0.045 | 0.045 |
ST37-2 | 0.17-0.20 | -- | 1.40 | 0.045 | 0.045 |
SS400 | -- | -- | -- | 0.050 | 0.050 |
ST52JR | 0.27 | 0.60 | 1.70 | 0.035 | 0.035 |
Q345B | 0.20 | 0.55 | 1.00-1.60 | 0.040 | 0.040 |
ST52-3 | 0.20 | 0.55 | 1.60 | 0.040 | 0.040 |
SS540 | -- | 0.30 | 1.60 | 0.040 | 0.040 |
S355JR | 0.20 | 0.55 | 1.60 | 0.025 | 0.025 |