SAE J403 10L84 Introduce
SAE J403 10L84 steel is most commonly used in automotive and aerospace applications. Its high tensile strength makes it well-suited for parts that require strength and durability, such as engine components, shock absorbers, and torsion bars. Additionally, its good ductility allows for its use in components that are exposed to variable load conditions and stresses, such as connecting rods and fasteners.
Smelting temperature:1838°C - 1179°C
Application:Chemical Compositions of SAE Carbon Steels
SAE J403 10L84 Material Chemical Composition
The chemical composition of the SAE J403 10L84 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Sulfur (S) | - | 0.0500 |
| Lead (Pb) | 0.1500 | 0.3500 |
| PhOsphorus (P) | - | 0.0300 |
| Nickel (Ni) | - | 0.2000 |
| Molybdenum (Mo) | - | 0.0600 |
| Manganese (Mn) | 0.7000 | 1.0000 |
| Copper (Cu) | 0.2000 | - |
| Chromium (Cr) | - | 0.1500 |
| Carbon (C) | 0.8000 | 0.9300 |
SAE J403 10L84 Material Mechanical Properties
We will explore the mechanical properties of SAE J403 10L84 steel and how they can be optimized for different applications. We will discuss how different heat treatment processes impact the microstructure of the material and the resulting mechanical properties. Finally, we will discuss some common applications of this versatile material.
The mechanical properties of the SAE J403 10L84 steel are as follows:
| YieldRp0.2 | ≤ 919 (MPa) |
| TeileRm | ≤ 776 (MPa) |
| ImpactKV/Ku | 11(J) |
| ElongationA | 43% |
| Reduction in cross section on fractureZ | 41% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 143 |
SAE J403 10L84 Material Thermal Properties
The thermal performance parameters of the SAE J403 10L84 steel are as follows:
| Temperature (°C) | 42 | 586 | 569 |
| Modulus of elasticity (GPa) | - | 969 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 44 |
| Thermal conductivity (W/m·°C) | - | 22.3 | 13.2 |
| Specific thermal capacity (J/kg·°C) | - | 324 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.43 | - | - |
| Deity (kg/dm³) | - | - | 442 |
| Poisson’s coefficient, ν | - | - | 332 |
SAE J403 10L84 Material Machining Technology
When machining SAE J403 10L84 steel, it is important to consider the material's properties before deciding on a machining strategy. The first step is to identify the desired result or end product, and consider factors such as the size and shape of the finished part. Once the desired outcome is identified, a machining strategy should be chosen to achieve the desired results.