| Customization: | Available |
|---|---|
| Standard: | DIN, JIS, AISI, ASTM, GB, BS |
| Technics: | Cold Drawn |
|
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| C ≤ |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Cr | Ni |
|---|---|---|---|---|---|---|
| 0.17-0.23 | 0.40 | 0.65-0.95 | 0.035 | 0.035 | 0.35-0.70 | 0.40-0.70 |
| Mo | Al | Cu | Nb | Ti | V | Ce |
| 0.15-0.25 | ||||||
| N | Co | Pb | B | Other | ||
Surface:
mill finish (not polished)
brushed
mirror
embossed
oxidized
cold-rolled
hot-rolled
3.[Structural steel 21NiCrMo2 1.6523 SAE8620 bar& rod]
Chemistry:
| 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) |
|---|---|---|---|---|---|---|
| 663 (≥) | 885 (≥) | 24 | 42 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 142 |
| 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 |
|---|---|---|---|---|---|---|---|
| 14 | - | - | 0.34 | - | |||
| 138 | 359 | - | 12.3 | 213 | - | ||
| 353 | - | 43 | 43.2 | 421 | 224 |
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