Q235 channel steel can be used for a variety of purposes, such as for the construction of industrial plants, commercial buildings, residential buildings, etc. Its special structure makes it an ideal material for architectural design, giving buildings better stability and structural strength.
A235A channel steel chemical composition
| Chemical Composition (heat analysis), %, ≤ | |||||||
| Steel Grade | Quality Grade | C | Si | Mn | P | S | Deoxidation Method |
| Q235 | Q235A | 0.22 | 0.35 | 1.40 | 0.045 | 0.050 | Rimmed / Killed |
| Q235B | 0.20 | 0.35 | 1.40 | 0.045 | 0.045 | Rimmed / Killed | |
| Q235C | 0.17 | 0.35 | 1.40 | 0.040 | 0.040 | Killed | |
| Q235D | 0.17 | 0.35 | 1.40 | 0.035 | 0.035 | Exceptionally Killed | |
q235A channel beam physical properties
| Physical Properties | |
| Density, g/cm3 | 7.85 |
| Melting point, ℃ | about 1493 |
| Specific heat capacity, J/(Kg·K) | 470 at 20 ℃ |
| Electrical resistivity, μΩ·m | about 0,15 (20 ℃) |
| Elastic modulus, GPa (kN/mm2) | 200 |
| Thermal conductivity, (W/m·K) | 53-49 (0-100 ℃) |
| Coefficient of thermal expansion, (10-6/K) | 11.3-11.6 (20 ℃) |
| Young’s modulus, GPa (kN/mm2) | 200 |
| Poisson’s ratio | 0.24-0.28 |
Q235A Channel beam mechanical properties
| Yield Strength (MPa, ≥); Thickness or Dia. (d) mm | Tensile Strength (MPa) | ||||||
| Steel Grade | Quality | d≤16 | 16< d ≤40 | 40< d ≤100 | 100< d ≤150 | 150< d ≤200 | d≤100 |
| Q235 | Q235A | 235 | 225 | 215 | 195 | 185 | 370-500 |
| Q235B | |||||||
| Q235C | |||||||
| Q235D | |||||||
FAQ
Q:How long is your delivery time?
A:Different products have different delivery time.The products will be delivered as soon as possible on the basis of the quality assurance.Usually the delivery time is within 5 days after we received your deposit.
Q: Why choose us?
A: We are an iron and steel enterprise integrating industry and trade，Our company have been in steel business for more than ten years, we are internationally experienced, professional, and we can provide variety of steel products with high quality to our clients
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