DIN 17100 St37.3 Introduce
Smelting temperature:1871°C - 1412°C
Application:Ordinary structural steel
DIN 17100 St37.3 Material Chemical Composition
The chemical composition of the DIN 17100 St37.3 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Aluminum (Al) | 0.0200 | - |
| PhOsphorus (P) | - | 0.0400 |
| Sulfur (S) | - | 0.0400 |
| Carbon (C) | - | 0.1700 |
DIN 17100 St37.3 Material Mechanical Properties
DIN 17100 St37.3 steels are widely used in construction and engineering applications due to their mechanical properties. They possess good yield, tensile, elongation and impact strength, as well as high levels of durability. In addition, these steels have been found to have good resistance to rust, abrasion and wear, making them an ideal choice for a wide range of applications.
The mechanical properties of the DIN 17100 St37.3 steel are as follows:
| YieldRp0.2 | ≤ 118 (MPa) |
| TeileRm | ≤ 961 (MPa) |
| ImpactKV/Ku | 13(J) |
| ElongationA | 12% |
| Reduction in cross section on fractureZ | 21% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 312 |
DIN 17100 St37.3 Material Thermal Properties
The thermal performance parameters of the DIN 17100 St37.3 steel are as follows:
| Temperature (°C) | 11 | 967 | 453 |
| Modulus of elasticity (GPa) | - | 691 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 14 |
| Thermal conductivity (W/m·°C) | - | 31.3 | 13.2 |
| Specific thermal capacity (J/kg·°C) | - | 431 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.34 | - | - |
| Deity (kg/dm³) | - | - | 322 |
| Poisson’s coefficient, ν | - | - | 111 |
DIN 17100 St37.3 Material Machining Technology
DIN 17100 St37.3 steel is an incredibly important material for many machining applications. It has an incredibly low carbon content and is extensively used in the manufacturing of modern machines and equipment, as well as in the construction and automotive industry. The machining of DIN 17100 St37.3 steel requires the use of specialized tools and techniques that are not always available, making the process both time-consuming and expensive.