DIN 17350 S6-5-3 Introduce
DIN 17350 S6-5-3 is a grade of steel that is widely used in industrial applications. Steel is an alloy made up of iron and other elements, and it is a handy material because it is strong and malleable. The type and amount of elements present in the steel determine the mechanical properties. DIN 17350 S6-5-3 steel is a high-grade cold-work steel, having outstanding mechanical properties and excellent machinability. It is used in tools, dies, and precision parts that require strength, good wear resistance, and high compressive strength at elevated temperatures.
Smelting temperature:1479°C - 1855°C
Application:Tool Steels; Technical Conditions of Delivery
DIN 17350 S6-5-3 Material Chemical Composition
The chemical composition of the DIN 17350 S6-5-3 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Tungsten (W) | 6.0000 | 6.7000 |
| Vanadium (V) | 2.7000 | 3.2000 |
| Silicon (Si) | - | 0.4500 |
| Sulfur (S) | - | 0.0300 |
| PhOsphorus (P) | - | 0.0300 |
| Molybdenum (Mo) | 4.7000 | 5.2000 |
| Chromium (Cr) | 3.8000 | 4.5000 |
| Carbon (C) | 1.1700 | 1.2700 |
DIN 17350 S6-5-3 Material Mechanical Properties
The mechanical properties of the DIN 17350 S6-5-3 steel are as follows:
| YieldRp0.2 | ≤ 821 (MPa) |
| TeileRm | ≤ 195 (MPa) |
| ImpactKV/Ku | 31(J) |
| ElongationA | 33% |
| Reduction in cross section on fractureZ | 11% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 122 |
DIN 17350 S6-5-3 Material Thermal Properties
The thermal performance parameters of the DIN 17350 S6-5-3 steel are as follows:
| Temperature (°C) | 33 | 734 | 227 |
| Modulus of elasticity (GPa) | - | 154 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 31 |
| Thermal conductivity (W/m·°C) | - | 22.3 | 42.2 |
| Specific thermal capacity (J/kg·°C) | - | 121 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.14 | - | - |
| Deity (kg/dm³) | - | - | 343 |
| Poisson’s coefficient, ν | - | - | 122 |