| Customization: | Available |
|---|---|
| Standard: | DIN, JIS, AISI, ASTM, GB, BS |
| Technics: | Cold Drawn |
|
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| 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) |
|---|---|---|---|---|---|---|
| 665 (≥) | 554 (≥) | 43 | 32 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 432 |
| 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 |
|---|---|---|---|---|---|---|---|
| 32 | - | - | 0.11 | - | |||
| 626 | 539 | - | 12.3 | 444 | - | ||
| 577 | - | 12 | 31.2 | 211 | 123 |
mill finish (not polished)
brushed
mirror
embossed
oxidized
cold-rolled
hot-rolled
3.[Constructional steel 20CrMo2 1.7311 bar& rod]
Chemistry:
| C ≤ |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Cr | Ni |
|---|---|---|---|---|---|---|
| 0.18-0.23 | 0.15-0.35 | 0.60-0.80 | 0.035 | 0.020-0.040 | 0.50-0.70 | |
| Mo | Al | Cu | Nb | Ti | V | Ce |
| 0.30-0.40 | ||||||
| N | Co | Pb | B | Other | ||
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