DIN 17350 1.3343 Introduce
DIN 17350 1.3343 steel is an alloy steel that is widely used in the automotive and aerospace industries due to its impressive thermal properties. It has a high thermal conductivity, thermal diffusivity, and resistance to thermal fatigue cracking, which makes it an ideal choice for applications that require these qualities.
Smelting temperature:1947°C - 1381°C
Application:Tool Steels; Technical Conditions of Delivery
DIN 17350 1.3343 Material Mechanical Properties
The mechanical properties of the DIN 17350 1.3343 steel are as follows:
| YieldRp0.2 | ≤ 238 (MPa) |
| TeileRm | ≤ 996 (MPa) |
| ImpactKV/Ku | 11(J) |
| ElongationA | 11% |
| Reduction in cross section on fractureZ | 44% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 111 |
DIN 17350 1.3343 Material Thermal Properties
The thermal performance parameters of the DIN 17350 1.3343 steel are as follows:
| Temperature (°C) | 32 | 439 | 786 |
| Modulus of elasticity (GPa) | - | 797 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 22 |
| Thermal conductivity (W/m·°C) | - | 41.3 | 22.2 |
| Specific thermal capacity (J/kg·°C) | - | 443 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.22 | - | - |
| Deity (kg/dm³) | - | - | 433 |
| Poisson’s coefficient, ν | - | - | 142 |