SAE/AISI 5130 Alloy Steel (UNS G51300)
SAE/AISI 5130 steel is characterized by its moderate strength, good toughness, and excellent hardenability. It is commonly used in automotive and industrial applications.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Iron | 97.295% | 98.07% |
| Carbon | 0.28% | 0.33% |
| Chromium | 0.80% | 1.10% |
| Manganese | 0.70% | 0.90% |
| Phosphorous | 0.035% | |
| Silicon | 0.15% | 0.30% |
| Sulfur | 0.04% | |
The following table provides a list of SAE/AISI 5130 properties in both SI and US customary/Imperial units.
Click on the icon to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Density | 7830 kg/m3 |
| Mechanical Properties | Metric |
| Young’s Modulus (E) | 190 - 210 GPa |
| Bulk Modulus (K) | 140 GPa |
| Shear Modulus (G) | 80 GPa |
| Poisson’s Ratio (ν) | 0.27 - 0.30 |
| Brinell Hardness (annealed) | ≤ 170 |
| Brinell Hardness (normalized) | ≤ 241 |
| Thermal Properties | Metric |
| Thermal Conductivity | 46.6 W/m·K |
| Specific Heat Capacity (Cp) | 470 J/kg·K |
| Coefficient of Thermal Expansion (αL) | 1.15×10-5 1/°C |
| Electrical Properties | Metric |
| Electrical Conductivity | 4.18×106 S/m |
| Electrical Resistivity | 2.4×10-7 Ω·m |
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 5130 Alloy Steel
| Advantages | Disadvantages |
|---|---|
| Good strength and toughness | Limited corrosion resistance |
| Excellent hardenability | Lower wear resistance compared to some alloys |
| Cost-effective compared to some higher-alloy steels | Not suitable for applications requiring high temperatures |
| Versatile and widely available |
Applications of 5130 Alloy Steel
AISI 5130 steel finds its application in various industries where a combination of strength, toughness, and wear resistance is required. Here are some common applications of AISI 5130 steel:
- Automotive Components: AISI 5130 steel is used in the manufacturing of various automotive components such as gears, shafts, axles, and crankshafts.
- Machinery Parts: The moderate strength and excellent hardenability of AISI 5130 steel make it suitable for use in machinery parts. It is commonly used in components like camshafts, connecting rods, and fasteners.
- Forgings: AISI 5130 steel is often used in the production of forgings. Its ability to be heat treated to achieve desired mechanical properties makes it suitable for forging processes, allowing the creation of complex shapes and structures.
- Structural Applications: In certain structural applications, where a combination of strength and toughness is required, AISI 5130 steel can be used. It finds use in applications such as construction equipment, cranes, and other heavy machinery.
- Tools and Dies: Due to its good toughness and wear resistance, AISI 5130 steel can be used in the manufacturing of tools and dies. It can withstand the repeated impact and wear encountered during cutting, forming, and stamping operations.
- General Engineering Components: AISI 5130 steel is employed in various general engineering components where a cost-effective and readily available material with adequate strength is needed. Examples include bolts, nuts, pins, and bushings.