SAE J403 10L22 Introduce
SAE J403 10L22 steel, also known as the American Iron and Steel Institute (AISI) 1020 steel, is an alloy material typically used in the automotive and construction industries. It is composed of carbon and a small amount of manganese. As a result of its low cost and ready availability, it is an ideal material for automotive components and other applications that require moderately high strength and corrosion resistance.
Smelting temperature:1279°C - 1469°C
Application:Chemical Compositions of SAE Carbon Steels
SAE J403 10L22 Material Chemical Composition
The chemical composition of the SAE J403 10L22 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Sulfur (S) | - | 0.0500 |
| Lead (Pb) | 0.1500 | 0.3500 |
| PhOsphorus (P) | - | 0.0300 |
| Nickel (Ni) | - | 0.2000 |
| Molybdenum (Mo) | - | 0.0600 |
| Manganese (Mn) | 0.7000 | 1.0000 |
| Copper (Cu) | 0.2000 | - |
| Chromium (Cr) | - | 0.1500 |
| Carbon (C) | 0.1800 | 0.2300 |
SAE J403 10L22 Material Mechanical Properties
The low alloy content creates a material with moderate strength and a relatively low carbon content. This makes SAE J403 10L22 typical steel relatively easy to work with and resistant to corrosion. Heat treatment is an important process for SAE J403 10L22 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 10L22 steel are as follows:
| YieldRp0.2 | ≤ 893 (MPa) |
| TeileRm | ≤ 198 (MPa) |
| ImpactKV/Ku | 24(J) |
| ElongationA | 24% |
| Reduction in cross section on fractureZ | 11% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 231 |
SAE J403 10L22 Material Thermal Properties
The thermal performance parameters of the SAE J403 10L22 steel are as follows:
| Temperature (°C) | 32 | 774 | 165 |
| Modulus of elasticity (GPa) | - | 821 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 11 |
| Thermal conductivity (W/m·°C) | - | 44.3 | 21.2 |
| Specific thermal capacity (J/kg·°C) | - | 112 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.22 | - | - |
| Deity (kg/dm³) | - | - | 121 |
| Poisson’s coefficient, ν | - | - | 334 |
SAE J403 10L22 Material Machining Technology
The most common machining strategies for SAE J403 10L22 steel involve a combination of turning and milling processes. Due to the material's high strength and hardness, heavier cuts must be used to prevent damage to the material. Additionally, due to the material's good machinability, smaller tools and faster feeds should be used to maximize efficiency and productivity. Lastly, it is important to use the right lubricants and coolants to ensure the best results and to prevent excessive wear on the cutting tools.