SAE J403 1086 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 1086 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:1457°C - 1295°C
Application:Chemical Compositions of SAE Carbon Steels
SAE J403 1086 Material Chemical Composition
The chemical composition of the SAE J403 1086 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Silicon (Si) | 0.1000 | 0.2500 |
| Sulfur (S) | - | 0.0500 |
| Lead (Pb) | 0.1000 | 0.3500 |
| PhOsphorus (P) | - | 0.0400 |
| Manganese (Mn) | 0.3000 | 0.5000 |
| Copper (Cu) | 0.2000 | - |
| Carbon (C) | 0.8000 | 0.9300 |
| Boron (B) | 0.0005 | 0.0030 |
| Carbon (C) | 0.8000 | 0.9400 |
SAE J403 1086 Material Mechanical Properties
We will explore the mechanical properties of SAE J403 1086 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 1086 steel are as follows:
| YieldRp0.2 | ≤ 121 (MPa) |
| TeileRm | ≤ 528 (MPa) |
| ImpactKV/Ku | 44(J) |
| ElongationA | 23% |
| Reduction in cross section on fractureZ | 33% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 212 |
SAE J403 1086 Material Thermal Properties
The thermal performance parameters of the SAE J403 1086 steel are as follows:
| Temperature (°C) | 24 | 895 | 962 |
| Modulus of elasticity (GPa) | - | 232 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 41 |
| Thermal conductivity (W/m·°C) | - | 12.3 | 31.2 |
| Specific thermal capacity (J/kg·°C) | - | 442 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.42 | - | - |
| Deity (kg/dm³) | - | - | 312 |
| Poisson’s coefficient, ν | - | - | 244 |
SAE J403 1086 Material Machining Technology
Due to its high strength and machinability, SAE J403 1086 steel can be machined with a variety of tools and machines. The most common machining techniques used on this type of steel are turning, milling, drilling, and grinding. Turning is used to cut hard materials such as stainless steel and can be performed using a lathe or CNC machine. Milling is used to shape and create holes in the material, and can be done using a CNC machine or a manual mill. Drilling is used to create holes in the steel, and can be done using a drill press or hand drill. Finally, grinding is used to produce a smooth finish and remove excess material, and can be done using a large bench grinder or a dedicated grinding machine.