China GBT Q235GJ-C China structural steel and alloy steel and Q235GJ-C Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Structure Steel | Q235GJ-C | GBT | China | China structural steel and alloy steel | 
| Q390GNH | |||||
| L52350 | |||||
| L52950 | |||||
| L53550 | |||||
| L54600 | |||||
| L52951 | |||||
| L52952 | |||||
| L53451 | |||||
| L53452 | |||||
| L53901 | 
| Yield Rp0.2 (MPa) | Tensile Rm (MPa) | Impact KV/Ku (J) | Elongation A (%) | Reduction in cross section on fracture Z (%) | As-Heat-Treated Condition | Brinell hardness (HBW) | 
|---|---|---|---|---|---|---|
| 552 (≥) | 444 (≥) | 44 | 24 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 233 | 
| Temperature (°C) | Modulus of elasticity (GPa) | Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) | Specific thermal capacity (J/kg·°C) | Specific electrical resistivity (Ω mm²/m) | Density (kg/dm³) | Poisson’s coefficient, ν | 
|---|---|---|---|---|---|---|---|
| 42 | - | - | 0.11 | - | |||
| 236 | 232 | - | 12.3 | 241 | - | ||
| 943 | - | 44 | 22.2 | 143 | 211 | 
Heat treated : 1533°C - 1152°C
Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...
Rfq.: sales@longhaisteel.com