SAE J403 10L17 Introduce
SAE J403 10L17 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:1799°C - 1174°C
Application:Chemical Compositions of SAE Carbon Steels
SAE J403 10L17 Material Chemical Composition
The chemical composition of the SAE J403 10L17 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) | 0.3000 | 0.6000 |
| Copper (Cu) | 0.2000 | - |
| Chromium (Cr) | - | 0.1500 |
| Carbon (C) | 0.1500 | 0.2000 |
SAE J403 10L17 Material Mechanical Properties
SAE J403 10L17 steel is characterized by having good strength and hardness properties. The material has an ultimate tensile strength of 545–620 MPa, a yield strength of 340–470 MPa, and an elongation of 18–30%. The material is also relatively ductile, with a bending strength of 45–90 MPa. The mechanical properties of SAE J403 10L17 steel can be improved through heat treatment processes. Annealing can increase ductility, normalizing can improve the strength, and stress relieving can reduce the internal stresses.
The mechanical properties of the SAE J403 10L17 steel are as follows:
| YieldRp0.2 | ≤ 579 (MPa) |
| TeileRm | ≤ 792 (MPa) |
| ImpactKV/Ku | 42(J) |
| ElongationA | 22% |
| Reduction in cross section on fractureZ | 31% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 431 |
SAE J403 10L17 Material Thermal Properties
The thermal performance parameters of the SAE J403 10L17 steel are as follows:
| Temperature (°C) | 41 | 591 | 381 |
| Modulus of elasticity (GPa) | - | 819 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 11 |
| Thermal conductivity (W/m·°C) | - | 32.3 | 43.2 |
| Specific thermal capacity (J/kg·°C) | - | 112 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.11 | - | - |
| Deity (kg/dm³) | - | - | 324 |
| Poisson’s coefficient, ν | - | - | 444 |
SAE J403 10L17 Material Machining Technology
SAE J403 10L17 steel is an alloy that contains iron and carbon, as well as other elements such as chromium, molybdenum, and manganese. It is a versatile steel that can be used in many different applications such as automotive components, industrial equipment, and hand tools. This type of steel is highly machinable, meaning that it can be cut, drilled, and formed using a variety of tools and machines.