GB Q235 Steel Channel is a type of carbon structural steel that is commonly used in construction and machinery.
It is known for its good plasticity, weldability, and moderate carbon content.
Q235 is also referred to as Q235A, Q235B, Q235C, and Q235D, with each designation indicating different variations of the steel. It is widely used in the engineering and construction industries.
Q235 steel is a plain carbon structural steel that is widely used in China. Here are some key properties and characteristics of Q235 steel:
- Q235 is a mild steel and does not require heat treatment for production.
- The "Q" in Q235 designates the yield point, while the "235" indicates the yield strength.
- Q235 has good plasticity and weldability.
- As the thickness of the material increases, the yield value of Q235 decreases.
- Q235 has comprehensive and adequate performance due to its moderate carbon content.
- It is commonly rolled into steel plates, rods, bars, or angle frames.
Q235 steel can be substituted with equivalent materials that include:
- A36 (USA ASTM)
- Q235 (China GB/T)
- SS400 (Vietnam/Japanese JIS)
Q235 steel channel is widely used in the engineering and construction industries. It is commonly used for the following applications:
- Construction of buildings and structures
- Machinery and equipment manufacturing
- Support structures for bridges and highways
- Frameworks for vehicles and ships
- Manufacturing of various metal components.
GB Q235 Steel Channel is a carbon structural steel widely used in construction and machinery. It has good plasticity, weldability, and moderate carbon content. Q235 is commonly rolled into steel plates, rods, bars, or angle frames and is widely used in the engineering and construction industries. It can be substituted with equivalent materials such as A36 (USA ASTM) and SS400 (Vietnam/Japanese JIS).
| Size | Specification(mm) | Specification(mm) | Specification(mm) | Theory Weight (kg/m) |
|---|---|---|---|---|
| h | b | d | ||
| 5# | 50 | 37 | 4.5 | 5.438 |
| 6.3# | 63 | 40 | 4.8 | 6.634 |
| 8# | 80 | 43 | 5 | 8.045 |
| 10# | 100 | 48 | 5.3 | 10.007 |
| 12# | 120 | 53 | 5.5 | 12.059 |
| 12.6 | 126 | 53 | 5.5 | 12.319 |
| 14#a | 140 | 58 | 6 | 14.535 |
| 14#b | 140 | 60 | 8 | 16.733 |
| 16#a | 160 | 63 | 6.5 | 17.24 |
| 16#b | 160 | 65 | 8.5 | 19.752 |
| 18#a | 180 | 68 | 7 | 20.174 |
| 18#b | 180 | 70 | 9 | 23 |
| 20#a | 200 | 73 | 7 | 22.637 |
| 20#b | 200 | 75 | 9 | 25.777 |
| 22#a | 220 | 77 | 7 | 24.999 |
| 22#b | 220 | 79 | 9 | 28.453 |
| 25#a | 250 | 78 | 7 | 27.41 |
| 25#b | 250 | 80 | 9 | 31.335 |
| 28#a | 280 | 82 | 7.5 | 31.427 |
| 28#b | 280 | 84 | 9.5 | 35.832 |
| 30#a | 300 | 85 | 7.5 | 34.463 |
| 30#b | 300 | 87 | 9.5 | 39.173 |
| 32#a | 320 | 88 | 8 | 38.083 |
| 32#b | 320 | 90 | 10 | 43.107 |
| 36#a | 360 | 96 | 9 | 47.814 |
| 36#b | 360 | 98 | 11 | 53.466 |
| 40#a | 400 | 100 | 10 | 58.928 |
| 40#b | 400 | 102 | 12.5 | 65.208 |
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