28NiCrMoV8-5 it belongs to Alloy Special Steel, open-die forgings, open-die forgings (EN), it is specified in DIN EN 10250-3 : 1999-12. Values are available for nominal size [mm], yield point [MPa], elongation at break A [%], tensile strength [MPa] in a range of (20;400)°C and for modulus of elasticity [GPa], 1.6932 mean specific thermal capacity [kJ/( kg*K)], average coefficient of linear expansion (reference: 20°C) [10^-6*K^-1], thermal conductivity [W/m*K], density [g/cm³], specific electrical resistance [µΩm] in a range of (-100;600)°C.
| C | Si | Mn | Ni | P | S | Cr | Mo | V |
| 0.24 - 0.32 | max 0.4 | 0.15 - 0.4 | 1.8 - 2.1 | max 0.035 | max 0.035 | 1.0 - 1.5 | 0.35 - 0.55 | 0.05 - 0.15 |
| Nominal thickness (mm): | to 160 | 160 - 330 | 330 - 660 |
| Rm - Tensile strength (MPa) (+QT) | 800 | 750 | 750 |
| Nominal thickness(mm): | to 160 | 160 - 330 | 330 - 660 |
| Re - Upper yield strength (MPa) (+QT) | 630 | 590 | 590 |
| Nominal thickness (mm): | to 160 | 160 - 330 | 330 - 660 |
| A - Min. elongation at fracture (%) longitud., (+QT) | 14 | 15 | 15 |
| A - Min. elongation at fracture (%) transverse, (+QT) | 10-11 |
Hardening Temperature:830℃-870℃, oil,
Tempering Temperature:550℃-850℃, air
| Grade | Shape | Dimensionmm | Qty.kg |
|---|---|---|---|
| 28NiCrMoV8-5, 1.6932 | Round bar | Φ70 | 3912 |
Steel grade
Special steel