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Mild steel channel, commonly known as U channel or C channel, is essential for structural support. These sections are manufactured to S275JR grade standards, offering excellent machinability and weldability. Typical uses include building structures, vehicle manufacturing, and civil engineering projects like lintels and floor joist supports.
| Nominal Size (mm) | Depth (mm) | Flange Width (mm) | Flange Thick (mm) | Web Thick (mm) | Weight (kg/m) |
|---|---|---|---|---|---|
| 100 x 50 | 100 | 50 | 6.70 | 4.20 | 8.33 |
| 125 x 65 | 125 | 65 | 7.50 | 4.70 | 11.90 |
| 150 x 75 | 150 | 75 | 9.50 | 6.00 | 17.70 |
| 180 x 75 | 180 | 75 | 11.00 | 6.00 | 20.90 |
| 200 x 75 | 200 | 75 | 12.00 | 6.00 | 22.90 |
| 250 x 90 | 250 | 90 | 15.00 | 8.00 | 35.50 |
| China (GB) | USA (ASTM) | Japan (JIS) | Germany (DIN) | ISO |
|---|---|---|---|---|
| Q235-A | Grade D | SS400 | S235JR | E235 A |
| Q275 | Grade 40 | SS490 | S275JR | E275 |
| Q345-B | Grade 50 | SPFC590 | S355JR | E355 |









Terra Steel