SAE J403 15B53 Introduce
SAE J403 15B53 steel is widely used in the automotive industry and for general purpose applications. In the automotive industry, it is typically used for structural components such as frame members and body panels. The material is also used in construction applications such as structural beams, columns, and reinforcing bars. Other common applications include appliances, agricultural equipment, machine components, and hand tools.
Smelting temperature:1454°C - 1111°C
Application:Chemical Compositions of SAE Carbon Steels
SAE J403 15B53 Material Mechanical Properties
The low alloy content creates a material with moderate strength and a relatively low carbon content. This makes SAE J403 15B53 typical steel relatively easy to work with and resistant to corrosion. Heat treatment is an important process for SAE J403 15B53 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 15B53 steel are as follows:
| YieldRp0.2 | ≤ 562 (MPa) |
| TeileRm | ≤ 288 (MPa) |
| ImpactKV/Ku | 11(J) |
| ElongationA | 24% |
| Reduction in cross section on fractureZ | 34% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 343 |
SAE J403 15B53 Material Thermal Properties
The thermal performance parameters of the SAE J403 15B53 steel are as follows:
| Temperature (°C) | 42 | 539 | 911 |
| Modulus of elasticity (GPa) | - | 634 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 42 |
| Thermal conductivity (W/m·°C) | - | 31.3 | 44.2 |
| Specific thermal capacity (J/kg·°C) | - | 342 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.12 | - | - |
| Deity (kg/dm³) | - | - | 241 |
| Poisson’s coefficient, ν | - | - | 324 |
SAE J403 15B53 Material Machining Technology
The chemical composition of SAE J403 15B53 steel makes it ideal for machining. This type of steel is known for its high strength and hardness, making it resistant to wear and impact. Additionally, it has good machinability, meaning that it is easy to cut and form using tools and machines. SAE J403 15B53 steel also has an excellent balance between ductility and strength, allowing for a wide range of fabrication processes and finishes.