SAE/AISI 1050 Carbon Steel (UNS G10500)
SAE/AISI 1050 is a medium-carbon steel alloy recognized for its excellent balance of strength, hardness, and wear resistance. With higher carbon content than low-carbon steels, it is well-suited for applications requiring durability and mechanical performance.
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| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Iron | 98.46% | 98.92% |
| Carbon | 0.47% | 0.55% |
| Manganese | 0.60% | 0.90% |
| Phosphorous | —— | 0.04% |
| Sulfur | —— | 0.05% |
The following table provides a list of SAE/AISI 1050 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 |
| Tensile Strength (Ultimate) | 690 - 790 MPa |
| Tensile Strength (Yield) | 390 - 650 MPa |
| Young’s Modulus (E) | 190 - 210 GPa |
| Bulk Modulus (K) | 140 GPa |
| Shear Modulus (G) | 80 GPa |
| Elongation at Break | 10 - 20% |
| Poisson’s Ratio (ν) | 0.27 - 0.30 |
| Brinell Hardness | 200 - 220 |
| Thermal Properties | Metric |
| Thermal Conductivity | 50 W/m·K |
| Specific Heat Capacity (Cp) | 470 J/kg·K |
| Coefficient of Thermal Expansion (αL) | 1.2×10-5 1/°C |
| Electrical Properties | Metric |
| Electrical Conductivity | 4.1×106 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 1050 Carbon Steel
| Advantages | Disadvantages |
|---|---|
| Good strength | Low corrosion resistance |
| Good wear resistance | Limited ductility |
| Good machinability | Brittle at low temperatures |
| Cost-effective |
Applications of 1050 Carbon Steel
SAE/AISI 1050 carbon steel is widely used across various industries for components requiring strength, durability, and wear resistance, including:
- Automotive Components: Used in the manufacturing of gears, shafts, clutch parts, and sprockets. Its strength and wear resistance make it suitable for transmitting power and withstanding mechanical stress.
- Springs: Commonly utilized in the production of coil springs and flat springs. Its excellent strength and spring properties allow it to withstand repeated loads and provide resilience in applications such as suspension systems, valves, and industrial machinery.
- Hand Tools: Employed in the production of chisels, punches, and cutting blades. It provides durability and resistance to wear, enabling these tools to withstand heavy use.
- Agricultural Equipment: Components such as blades, cultivator tines, and harrow teeth often incorporate this steel. Its robustness and ability to withstand abrasive conditions make it suitable for these demanding applications.
- Fasteners: Utilized in the manufacturing of bolts, screws, and rivets. Its strength and machinability allow for the production of reliable and sturdy fastening solutions.
- Construction and Structural Applications: Suitable for reinforcement bars and other construction needs where high strength is required.
- Power Transmission Components: Gears, pulleys, and couplings that transfer power in mechanical systems benefit from its strength and wear resistance, ensuring efficient transmission and durability.
- Industrial Machinery: Found in shafts, axles, and machine parts that require high strength and resistance to wear and fatigue.