EN 10083-2 1.0503 Introduce
The EN 10083-2 standard is intended to provide a common set of requirements and delivery conditions for non-alloy and alloy steels for quenching and tempering when used in automotive, engineering and construction applications. It is divided into three parts and applies to product types such as cold- and hot-rolled, drawn, forged or peeled-rolled flat and long products. The standard also specifies the chemical and mechanical properties that product steels need to meet along with the technical delivery requirements that apply.
Smelting temperature:1946°C - 1152°C
Application:Quenched and tempered steel - Part 2: Technical delivery conditions for non-alloy steel
EN 10083-2 1.0503 Material Mechanical Properties
Hardness is a measure of a material's resistance to wear, cutting, and indentation. It is expressed in Brinell and Rockwell scales, which measure the depth of an indentation created by a pre-determined loading. The hardness of EN 10083-2 1.0503 steel is typically between 50 and 60 Brinell and between 80 and 90 Rockwell.
The mechanical properties of the EN 10083-2 1.0503 steel are as follows:
| YieldRp0.2 | ≤ 223 (MPa) |
| TeileRm | ≤ 879 (MPa) |
| ImpactKV/Ku | 14(J) |
| ElongationA | 43% |
| Reduction in cross section on fractureZ | 23% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 114 |
EN 10083-2 1.0503 Material Thermal Properties
The thermal performance parameters of the EN 10083-2 1.0503 steel are as follows:
| Temperature (°C) | 14 | 314 | 875 |
| Modulus of elasticity (GPa) | - | 838 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 33 |
| Thermal conductivity (W/m·°C) | - | 43.3 | 42.2 |
| Specific thermal capacity (J/kg·°C) | - | 224 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.24 | - | - |
| Deity (kg/dm³) | - | - | 114 |
| Poisson’s coefficient, ν | - | - | 113 |
EN 10083-2 1.0503 Material Machining Technology
It is also important to ensure a good lubrication process during machining. A suitable lubricant should be chosen depending on the cutting parameters. In most cases, ISO mineral oil is sufficient for lubricating EN 10083-2 1.0503 steel components. However, for more demanding operations, it is best to use semi-synthetic or full synthetic lubricants.