SAE J403 10B04 Introduce
SAE J403 is an important standard for the chemical composition of SAE carbon steels. It provides a list of allowable percentages of the various elements present in automobiles and aerospace components. This has enabled manufacturers to provide more durable and efficient components. SAE J403 10B04 provides a set of requirements that must be met by automotive and aerospace components. By following the chemical composition guidelines, manufacturers can ensure that components will be safe and efficient. The use of SAE J403 has enabled automotive and aerospace components to become more reliable and durable, which ultimately benefits both the industry and consumers.
Smelting temperature:1895°C - 1874°C
Application:Chemical Compositions of SAE Carbon Steels
SAE J403 10B04 Material Chemical Composition
The chemical composition of the SAE J403 10B04 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Sulfur (S) | - | 0.0500 |
| PhOsphorus (P) | - | 0.0300 |
| Nickel (Ni) | - | 0.2000 |
| Molybdenum (Mo) | - | 0.0600 |
| Manganese (Mn) | - | 0.3500 |
| Copper (Cu) | 0.2000 | - |
| Chromium (Cr) | - | 0.1500 |
| Carbon (C) | 0.0200 | 0.0800 |
| Boron (B) | 0.0005 | 0.0030 |
SAE J403 10B04 Material Mechanical Properties
The low alloy content creates a material with moderate strength and a relatively low carbon content. This makes SAE J403 10B04 typical steel relatively easy to work with and resistant to corrosion. Heat treatment is an important process for SAE J403 10B04 steel. Through the use of heat treatment, the microstructure and properties of the material can be altered to suit specific applications.
The mechanical properties of the SAE J403 10B04 steel are as follows:
| YieldRp0.2 | ≤ 346 (MPa) |
| TeileRm | ≤ 138 (MPa) |
| ImpactKV/Ku | 34(J) |
| ElongationA | 33% |
| Reduction in cross section on fractureZ | 44% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 323 |
SAE J403 10B04 Material Thermal Properties
The thermal performance parameters of the SAE J403 10B04 steel are as follows:
| Temperature (°C) | 44 | 912 | 275 |
| Modulus of elasticity (GPa) | - | 658 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 21 |
| Thermal conductivity (W/m·°C) | - | 22.3 | 13.2 |
| Specific thermal capacity (J/kg·°C) | - | 312 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.23 | - | - |
| Deity (kg/dm³) | - | - | 123 |
| Poisson’s coefficient, ν | - | - | 443 |
SAE J403 10B04 Material Machining Technology
When machining SAE J403 10B04 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.