EN 10085 1.8509 Introduce
Steel is one of the most commonly used materials in engineering and construction today, due to its strength and durability. There are many different types of steel, each with its own range of properties and uses. EN 10085 1.8509 steel is an alloy steel used in a variety of applications, from engineering and automotive to construction.
Smelting temperature:1924°C - 1627°C
Application:Nitrided steel - technical delivery conditions
EN 10085 1.8509 Material Chemical Composition
The chemical composition of the EN 10085 1.8509 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Silicon (Si) | - | 0.4000 |
| Sulfur (S) | - | 0.0350 |
| PhOsphorus (P) | - | 0.0250 |
| Molybdenum (Mo) | 0.2000 | 0.3500 |
| Manganese (Mn) | 0.4000 | 0.7000 |
| Chromium (Cr) | 1.5000 | 1.8000 |
| Carbon (C) | 0.3800 | 0.4500 |
| Aluminum (Al) | 0.8000 | 1.2000 |
EN 10085 1.8509 Material Mechanical Properties
The mechanical properties of EN 10085 1.8509 steel are highly dependent on its chemical composition and the quenching process. In general, EN 10085 1.8509 steel shows excellent cold formability and weldability due to its low carbon content and is able to retain its strength at elevated temperatures. It also has a good balance of strength and ductility and offers a greater toughness than most other structural steel alloys.
The mechanical properties of the EN 10085 1.8509 steel are as follows:
| YieldRp0.2 | ≤ 844 (MPa) |
| TeileRm | ≤ 617 (MPa) |
| ImpactKV/Ku | 24(J) |
| ElongationA | 22% |
| Reduction in cross section on fractureZ | 44% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 233 |
EN 10085 1.8509 Material Thermal Properties
The thermal performance parameters of the EN 10085 1.8509 steel are as follows:
| Temperature (°C) | 23 | 571 | 513 |
| Modulus of elasticity (GPa) | - | 639 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 34 |
| Thermal conductivity (W/m·°C) | - | 14.3 | 33.2 |
| Specific thermal capacity (J/kg·°C) | - | 313 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.11 | - | - |
| Deity (kg/dm³) | - | - | 212 |
| Poisson’s coefficient, ν | - | - | 111 |
EN 10085 1.8509 Material Machining Technology
EN 10085 1.8509 steel is classified as a medium carbon steel. It is a low-alloy type of steel mainly used in the automotive, machinery, and tool-making industries. EN 10085 1.8509 steel is strong, ductile, and has excellent heat- and corrosion-resistance. It has relatively high machinability and good grindability, making it suitable for many machining operations.