EN 10083-1 1.1203 Introduce
The European Union (EU) has a history of enacting strict technical standards in order to ensure a high level of quality in goods and services produced by EU member states. EN 10083-1 1.1203 is the result of this type of standards-making, originating in the late 1950s as the standardization of dimensions, tolerances, and processing of steel rolled on hot or cold-reducing mills. These mills roll hot or cold steel into various shapes and sizes, and the EN 10083-1 1.1203 standard effectively outlined how to ensure a consistent and useful result.
Smelting temperature:1789°C - 1784°C
Application:Quenched and tempered steel - Part 1: General delivery technical conditions
EN 10083-1 1.1203 Material Mechanical Properties
EN 10083-1 1.1203 steels display very good corrosion resistance, as the chromium present in the steel helps to form a protective oxide layer on the steel's surface. EN 10083-1 1.1203 steels are particularly resistant to general corrosion and pitting corrosion, making them well suited for nitric acid and other chloride-containing environments. This corrosion resistance makes them ideal for marine engineering, structural applications in the oil and gas industry, and the production of components for the aerospace industry.
The mechanical properties of the EN 10083-1 1.1203 steel are as follows:
| YieldRp0.2 | ≤ 841 (MPa) |
| TeileRm | ≤ 824 (MPa) |
| ImpactKV/Ku | 11(J) |
| ElongationA | 32% |
| Reduction in cross section on fractureZ | 41% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 223 |
EN 10083-1 1.1203 Material Thermal Properties
The thermal performance parameters of the EN 10083-1 1.1203 steel are as follows:
| Temperature (°C) | 42 | 616 | 794 |
| Modulus of elasticity (GPa) | - | 568 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 44 |
| Thermal conductivity (W/m·°C) | - | 41.3 | 44.2 |
| Specific thermal capacity (J/kg·°C) | - | 142 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.21 | - | - |
| Deity (kg/dm³) | - | - | 344 |
| Poisson’s coefficient, ν | - | - | 143 |
EN 10083-1 1.1203 Material Machining Technology
The first step in machining EN 10083-1 1.1203 steel is selecting the most appropriate tool for the job. For most projects, a high-speed steel drill bit is recommended. This type of bit is designed to withstand the extreme heat and pressure generated during the machining process. However, if a greater degree of accuracy is required, other materials such as ceramics, cermets, or diamond-coated bits may be used.