SAE/AISI 1075 Carbon Steel (UNS G10750)
SAE/AISI 1075 is a high-carbon steel alloy recognized for its excellent strength, hardness, and wear resistance. It offers good machinability and performs well under heat treatments like quenching and tempering. This makes it suitable for demanding applications across the automotive, agricultural, and manufacturing industries.
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| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Iron | 98.4% | 98.9% |
| Carbon | 0.70% | 0.80% |
| Manganese | 0.40% | 0.70% |
| Phosphorous | —— | 0.04% |
| Sulfur | —— | 0.05% |
The following table provides a list of SAE/AISI 1075 properties in both SI and US customary/Imperial units.
Click on the button to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Density | 7850 kg/m3 |
| Mechanical Properties | Metric |
| Young’s Modulus (E) | 190 - 210 GPa |
| Shear Modulus (G) | 80 GPa |
| Poisson’s Ratio (ν) | 0.27 - 0.30 |
| 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 1075 Carbon Steel
| Advantages | Disadvantages |
|---|---|
| High strength | Low corrosion resistance |
| Good wear resistance | Limited toughness |
| Good machinability | Limited ductility |
| Cost-effective |
Applications of 1075 Carbon Steel
Due to its excellent mechanical and wear-resistant properties, SAE/AISI 1075 is widely used in numerous industries, including:
- Blades and Cutting Tools: The high strength, hardness, and wear resistance make it suitable for manufacturing knives, machetes, saw blades, and agricultural cutting implements.
- Springs: Commonly used for flat, coil, and leaf springs due to its resilience and ability to withstand repeated loading, making it ideal for automotive suspensions, construction equipment, and firearms.
- Hand Tools: Used in chisels, punches, and hammers for its durability and ability to retain a sharp edge under heavy use.
- Industrial Machinery Components: Employed in the fabrication of gears, shafts, couplings, and wear-resistant parts that demand high strength and hardness.
- Automotive Components: Used in springs, suspension parts, clutch plates, and other components that require durability and high strength.
- Agricultural Tools: Applied in tools like plows, cultivators, and harrows for their ability to endure harsh operating conditions.
- Construction and Building Materials: Occasionally used for reinforcing bars, construction hand tools, and components needing toughness and structural integrity.