Germany DIN DIN EN 10085, V820 Specialsteel Al-alloyed nitriding steel grade for large cross-sections. Suitable for piston rods, extruders, cylinders, gear wheels, and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Specialsteel | V820 | DIN | Germany | Al-alloyed nitriding steel grade for large cross-sections. Suitable for piston rods, extruders, cylinders, gear wheels, |
C | Si | Mn | P | S | Al | Cr | Mo | Ni |
---|---|---|---|---|---|---|---|---|
0.30 -0.37 | ≤0.40 | 0.40 -0.70 | ≤0.025 | ≤0.035 | 0.80 -1.20 | 1.50 -1.80 | 0.15 -0.25 | 0.85 -1.15 |
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) |
---|---|---|---|---|---|---|
271 (≥) | 793 (≥) | 24 | 23 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 411 |
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 |
---|---|---|---|---|---|---|---|
24 | - | - | 0.14 | - | |||
289 | 123 | - | 31.3 | 232 | - | ||
378 | - | 31 | 44.2 | 313 | 112 |
Heat treated : 1842°C - 1494°C
Grade | Standard | Country | Application |
---|---|---|---|
34CrAlNi7-10 |
DIN EN 10085 | Al-alloyed nitriding steel grade for large cross-sections. Suitable for piston rods, extruders, cylinders, gear wheels, | DIN-EN-10085.pdf |
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