| Customization: | Available |
|---|---|
| After-sales Service: | one year |
| Warranty: | one year |
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Channel steel/ U channel/Channel bar
| Product | Size | (kg/m) | |||
| h | b | d | t | ||
| 5 | 50 | 37 | 4.5 | 7.0 | 5.438 |
| 6.3 | 63 | 40 | 4.8 | 7.5 | 6.634 |
| 6.5 | 65 | 40 | 4.8 | 7.5 | 6.709 |
| 8 | 80 | 43 | 5.0 | 8.0 | 8.045 |
| 10 | 100 | 48 | 5.3 | 8.5 | 10.007 |
| 12 | 120 | 53 | 5.5 | 9.0 | 12.059 |
| 12.6 | 126 | 53 | 5.5 | 9.0 | 12.318 |
| 14A | 140 | 58 | 6.0 | 9.5 | 14.535 |
| 14B | 140 | 60 | 8.0 | 9.5 | 16.733 |
| 16A | 160 | 63 | 6.5 | 10.0 | 17.240 |
| 16B | 160 | 65 | 8.5 | 10.0 | 19.752 |
| 18A | 180 | 68 | 7.0 | 10.5 | 20.174 |
| 18B | 180 | 70 | 9.0 | 10.5 | 23.000 |
| 20A | 200 | 73 | 7.0 | 11.0 | 22.637 |
| 20B | 200 | 75 | 9.0 | 11.0 | 25.777 |
| 22A | 220 | 77 | 7.0 | 11.5 | 24.999 |
| 22B | 220 | 79 | 9.0 | 11.5 | 28.453 |
| 25A | 250 | 78 | 7.0 | 12.0 | 27.410 |
| 25B | 250 | 80 | 9.0 | 12.0 | 31.335 |
| 28A | 280 | 82 | 7.5 | 12.5 | 31.427 |
| 28B | 280 | 84 | 9.5 | 12.5 | 35.823 |
| 30A | 300 | 85 | 7.5 | 13.5 | 34.463 |
| 30B | 300 | 87 | 9.5 | 13.5 | 39.173 |
| 32A | 320 | 88 | 8.0 | 14.0 | 38.083 |
| 32B | 320 | 90 | 10.0 | 14.0 | 43.107 |
| 36A | 360 | 96 | 9.0 | 16.0 | 47.814 |
| 36B | 360 | 98 | 11.0 | 16.0 | 53.466 |
| 40A | 400 | 100 | 10.5 | 18.0 | 58.928 |
| 40B | 400 | 102 | 12.5 | 18.0 | 65.208 |
| Grade | Grade | C (%) |
Mn (%) |
Si | P | S | V (%) |
Nb (%) |
Ti (%) |
| ≤(%) | |||||||||
| Q195 | - | 0.06-0.12 | 0.25-0.50 | 0.30 | 0.050 | 0.045 | - | - | - |
| Q215 | A | 0.09-0.15 | 0.25-0.55 | 0.30 | 0.050 | 0.045 | - | - | - |
| B | 0.045 | - | - | - | |||||
| Q235 | A | 0.14-0.22 | 0.30-0.65 | 0.30 | 0.050 | 0.045 | - | - | - |
| B | 0.12-0.20 | 0.30-0.70 | 0.045 | - | - | - | |||
| Q345 | A | ≤0.20 | 1.00-1.60 | 0.55 | 0.045 | 0.045 | 0.02 -0.15 |
0.015 -0.060 |
0.02 -0.20 |
| B | 0.040 | 0.040 | |||||||
| Grade | Yield Strength | Tensile Strength (Mpa) |
Elongation | 180°Cold-Bend Test r-Pin Diameter a-Thickness |
Charpy V-notch Impact Test (Longitudinal) |
||||
| Thickness (mm) |
σS≥ (Mpa) |
Thickness (mm) |
δ ≥(%) |
Longitudinal | Transverse | Temperature ºC |
AKV/J≥ | ||
| Q195 | ≤16 | 195 | 315-430 | ≤16 | 33 | 0 | 0.5a | - | - |
| >16-40 | 185 | >16-40 | 32 | ||||||
| >40-60 | - | >40-60 | -- | ||||||
| >60-100 | - | >60-100 | -- | ||||||
| >100-150 | - | >100-150 | -- | ||||||
| >150 | - | >150 | -- | ||||||
| Q215 | ≤16 | 215 | 330-450 | ≤16 | 31 | 0.5a | a | 20 | 27 |
| >16-40 | 205 | >16-40 | 30 | ||||||
| >40-60 | 195 | >40-60 | 29 | ||||||
| >60-100 | 185 | >60-100 | 28 | 1.5a | 2a | ||||
| >100-150 | 175 | >100-150 | 27 | 2a | 2.5a | ||||
| >150 | 165 | >150 | 26 | ||||||
| Q235 | ≤16 | 235 | 375-500 | ≤16 | 26 | a | 1.5a | 20 | 27 |
| >16-40 | 225 | >16-40 | 25 | ||||||
| >40-60 | 215 | >40-60 | 24 | 0 | |||||
| >60-100 | 205 | >60-100 | 23 | 2a | 2.5a | ||||
| >100-150 | 195 | >100-150 | 22 | 2.5a | 3a | -20 | |||
| >150 | 185 | >150 | 21 | ||||||
| Q345 | ≤16 | 345 | 470-630 | 21 | - | - | 20 | 34 | |
| >16-35 | 325 | ||||||||
| >35-50 | 295 | ||||||||
| >50-100 | 275 | ||||||||



