China GBT U21302 China structural steel and alloy steel and U21302 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Structure Steel | U21302 | GBT | China | China structural steel and alloy steel |
| U20552 |
|||||
| U20602 |
|||||
| U20652 |
|||||
| U20702 |
|||||
| U20752 |
|||||
| U20802 |
|||||
| U20852 |
|||||
| U21152 |
|||||
| U21202 |
|||||
| U21252 |
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Cu(%) |
|---|---|---|---|---|---|---|---|
| 0.27-0.34 | 0.17-0.37 | 0.70-1.00 | 0.035 | 0.035 | 0.25 | 0.3 | 0.25 |
| 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) |
|---|---|---|---|---|---|---|
| 154 (≥) | 281 (≥) | 31 | 12 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 232 |
| 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 |
|---|---|---|---|---|---|---|---|
| 31 | - | - | 0.22 | - | |||
| 469 | 794 | - | 34.3 | 113 | - | ||
| 295 | - | 21 | 43.2 | 144 | 231 |
Heat treated : 1432°C - 1175°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