SAE J403 1049 Introduce
SAE J403 1049 steel is a versatile material that can be used for a variety of applications. It is composed of carbon and a limited amount of manganese and is relatively easy to work with and resistant to corrosion. The mechanical properties of this material can be improved through the use of heat treatment processes to create an optimized microstructure. SAE J403 1049 steel is widely used in the automotive and construction industries as well as for general purpose applications.
Smelting temperature:1661°C - 1283°C
Application:Chemical Compositions of SAE Carbon Steels
SAE J403 1049 Material Mechanical Properties
We will explore the mechanical properties of SAE J403 1049 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 1049 steel are as follows:
| YieldRp0.2 | ≤ 393 (MPa) |
| TeileRm | ≤ 297 (MPa) |
| ImpactKV/Ku | 44(J) |
| ElongationA | 22% |
| Reduction in cross section on fractureZ | 42% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 114 |
SAE J403 1049 Material Thermal Properties
The thermal performance parameters of the SAE J403 1049 steel are as follows:
| Temperature (°C) | 13 | 254 | 975 |
| Modulus of elasticity (GPa) | - | 225 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 33 |
| Thermal conductivity (W/m·°C) | - | 31.3 | 23.2 |
| Specific thermal capacity (J/kg·°C) | - | 242 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.14 | - | - |
| Deity (kg/dm³) | - | - | 423 |
| Poisson’s coefficient, ν | - | - | 312 |
SAE J403 1049 Material Machining Technology
SAE J403 1049 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.