SAE/AISI 1522 Carbon Steel (UNS G15220)
SAE/AISI 1522 is a low carbon steel commonly used in various applications that require moderate strength and wear resistance, such as gears, shafts, axles, and machinery parts.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Iron | 98.27% | 98.72% |
| Carbon | 0.18% | 0.24% |
| Manganese | 1.10% | 1.40% |
| Phosphorous | 0.04% | |
| Sulfur | 0.05% | |
The following table provides a list of SAE/AISI 1522 properties in both SI and US customary/Imperial units.
Click on the icon to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Density | 7850 kg/m3 |
| Mechanical Properties | Metric |
| Young’s Modulus (E) | 190 - 210 GPa |
| Bulk Modulus (K) | 140 GPa |
| Shear Modulus (G) | 80 GPa |
| Elongation at Break | ≥ 20% |
| Reduction of Area | ≥ 42% |
| Poisson’s Ratio (ν) | 0.27 - 0.30 |
| Brinell Hardness | ≥ 149 |
| Thermal Properties | Metric |
| Thermal Conductivity | 52 W/m·K |
| Specific Heat Capacity (Cp) | 470 J/kg·K |
| Coefficient of Thermal Expansion (αL) | 1.2×10-5 1/°C |
The values in this table are approximate and can vary depending on various factors such as the specific manufacturing process and heat treatment applied to the alloy.
Advantages & Disadvantages of 1522 Carbon Steel
| Advantages | Disadvantages |
|---|---|
| Good strength and toughness | Limited corrosion resistance |
| Cost-effective | Relatively low hardenability |
| Good weldability and formability | Lower wear resistance compared to some alloys |
| Suitable for various fabrication processes | Moderate machinability depending on conditions |
Applications of 1522 Carbon Steel
AISI 1522 carbon steel finds application in various industries and products where a combination of strength, toughness, and cost-effectiveness is required. Here are some common applications of 1522 carbon steel:
- Gears and Gear Shafts: AISI 1522 carbon steel is suitable for manufacturing gears and gear shafts due to its good strength and toughness properties.
- Axles and Shafts: The combination of strength and toughness in 1522 carbon steel makes it suitable for axles and shafts used in automotive, construction, and machinery applications.
- Machinery Parts: 1522 steel is used in the fabrication of various machinery parts such as crankshafts, connecting rods, and camshafts.
- Bolts, Nuts, and Fasteners: Carbon steel grades like 1522 are commonly used for manufacturing bolts, nuts, and fasteners due to their good strength and formability.
- Structural Components: 1522 carbon steel can be utilized in structural components, such as beams, columns, and supports, where its strength and cost-effectiveness make it an ideal choice for load-bearing applications.
- Agricultural Equipment: Farm machinery and equipment, such as plows, harrows, and tillers, often incorporate 1522 carbon steel due to its toughness and resistance to wear and impact.