EN 10083-3 37CrS4 Introduce
EN 10083-3 37CrS4 steel is often used for a variety of applications. It is widely used in the automotive industry for components such as pistons, crankshafts, and connecting rods. In the aerospace industry, the steel is often used for components such as turbine blades and air frame components.
Smelting temperature:1871°C - 1795°C
Application:Steels for quenching and tempering - part 3: technical delivery conditions for alloy steels
EN 10083-3 37CrS4 Material Chemical Composition
The chemical composition of the EN 10083-3 37CrS4 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Silicon (Si) | 0.1500 | 0.4000 |
| Sulfur (S) | 0.0200 | 0.0350 |
| PhOsphorus (P) | - | 0.0350 |
| Manganese (Mn) | 0.6000 | 0.9000 |
| Chromium (Cr) | 0.9000 | 1.2000 |
| Carbon (C) | 0.3400 | 0.4100 |
| Silicon (Si) | - | 0.4000 |
| Sulfur (S) | 0.0200 | 0.0400 |
| PhOsphorus (P) | - | 0.0250 |
EN 10083-3 37CrS4 Material Mechanical Properties
EN 10083-3 37CrS4 is a high-alloy steel with excellent mechanical and chemical properties. This alloy is popular for its high tensile strength, yield strength, and ductility. It can be heat-treated to improve its properties and make it suitable for various applications.
The mechanical properties of the EN 10083-3 37CrS4 steel are as follows:
| YieldRp0.2 | 562 (≥)(MPa) |
| TeileRm | 344 (≥)(MPa) |
| ImpactKV/Ku | 42(J) |
| ElongationA | 43% |
| Reduction in cross section on fractureZ | 14% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 124 |
EN 10083-3 37CrS4 Material Thermal Properties
The thermal performance parameters of the EN 10083-3 37CrS4 steel are as follows:
| Temperature (°C) | 43 | 625 | 356 |
| Modulus of elasticity (GPa) | - | 431 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 22 |
| Thermal conductivity (W/m·°C) | - | 33.3 | 21.2 |
| Specific thermal capacity (J/kg·°C) | - | 213 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.22 | - | - |
| Deity (kg/dm³) | - | - | 443 |
| Poisson’s coefficient, ν | - | - | 244 |
EN 10083-3 37CrS4 Material Machining Technology
EN 10083-3 is a standard for the manufacture of heat-treatable steels. It is widely used in the automotive, construction and agricultural industries as well as other sectors. It offers a high level of strength and wear resistance with a good level of mechanical properties. Standard EN 10083-3 outlines the requirements for the machining of this steel, including its optimum machining parameters, cutting tools and speeds, workpiece setup and coolant selection.