SAE J403 10B39 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 10B39 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:1326°C - 1385°C
Application:Chemical Compositions of SAE Carbon Steels
SAE J403 10B39 Material Mechanical Properties
We will explore the mechanical properties of SAE J403 10B39 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 10B39 steel are as follows:
| YieldRp0.2 | ≤ 384 (MPa) |
| TeileRm | ≤ 357 (MPa) |
| ImpactKV/Ku | 22(J) |
| ElongationA | 43% |
| Reduction in cross section on fractureZ | 31% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 334 |
SAE J403 10B39 Material Thermal Properties
The thermal performance parameters of the SAE J403 10B39 steel are as follows:
| Temperature (°C) | 14 | 459 | 964 |
| Modulus of elasticity (GPa) | - | 889 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 32 |
| Thermal conductivity (W/m·°C) | - | 23.3 | 21.2 |
| Specific thermal capacity (J/kg·°C) | - | 233 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.43 | - | - |
| Deity (kg/dm³) | - | - | 344 |
| Poisson’s coefficient, ν | - | - | 314 |
SAE J403 10B39 Material Machining Technology
SAE J403 10B39 has good weldability compared to other steels due to its low-carbon content. It can be welded using the oxy-aceltylene process, gas metal arc welding, and resistance welding. Additionally, it can be brazed or soldered for joining different pieces of steel together.