EN 10084 1.7149 Introduce
EN 10084 1.7149 steel is a high-carbon alloy steel with a carbon content ranging from 0.60% to 1.50%. This steel is primarily used in the automotive, agricultural and construction industries due to its useful properties. These properties include a high strength-to-weight ratio, excellent corrosion resistance and superior heat treatability. It is also hypoallergenic and non-toxic.
Smelting temperature:1911°C - 1837°C
Application:Case hardening steels - Technical delivery conditions
EN 10084 1.7149 Material Chemical Composition
The chemical composition of the EN 10084 1.7149 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Silicon (Si) | - | 0.4000 |
| Sulfur (S) | 0.0200 | 0.0400 |
| PhOsphorus (P) | - | 0.0250 |
| Manganese (Mn) | 1.1000 | 1.4000 |
| Chromium (Cr) | 1.0000 | 1.3000 |
| Carbon (C) | 0.1700 | 0.2200 |
EN 10084 1.7149 Material Mechanical Properties
The mechanical properties of the EN 10084 1.7149 steel are as follows:
| YieldRp0.2 | ≤ 639 (MPa) |
| TeileRm | ≤ 895 (MPa) |
| ImpactKV/Ku | 33(J) |
| ElongationA | 12% |
| Reduction in cross section on fractureZ | 33% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 122 |
EN 10084 1.7149 Material Thermal Properties
The thermal performance parameters of the EN 10084 1.7149 steel are as follows:
| Temperature (°C) | 34 | 319 | 734 |
| Modulus of elasticity (GPa) | - | 633 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 34 |
| Thermal conductivity (W/m·°C) | - | 43.3 | 24.2 |
| Specific thermal capacity (J/kg·°C) | - | 333 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.44 | - | - |
| Deity (kg/dm³) | - | - | 224 |
| Poisson’s coefficient, ν | - | - | 332 |