SAE/AISI 1566 Carbon Steel (UNS G15660)
SAE/AISI 1566 is a high-carbon steel that is used for a variety of applications, including springs, gears, and bearings. It has a high elastic limit and yield strength, which makes it well-suited for applications where high tensile strength is required.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Iron | 98.05% | 98.55% |
| Carbon | 0.60% | 0.71% |
| Manganese | 0.85% | 1.15% |
| Phosphorous | 0.04% | |
| Sulfur | 0.05% | |
The following table provides a list of SAE/AISI 1566 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 |
| Poisson’s Ratio (ν) | 0.27 - 0.30 |
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 1566 Carbon Steel
| Advantages | Disadvantages |
|---|---|
| High strength and hardness, especially when hardened | Susceptible to corrosion if not properly protected |
| Good toughness and wear resistance | Requires careful heat treatment for optimal results |
| Excellent fatigue properties | Relatively high carbon content may limit weldability |
| Cost-effective compared to some higher alloy steels | Can be challenging to machine due to its hardness |
| Widely available in various forms and sizes |
Applications of 1566 Carbon Steel
1566 carbon steel finds application in various industries due to its favorable mechanical properties. Here are some common applications of 1566 carbon steel:
- Springs: 1566 carbon steel is widely used in the manufacturing of coil springs, including suspension springs, valve springs, and clutch springs.
- Blades and Cutting Tools: The hardness and wear resistance of 1566 carbon steel make it suitable for the production of blades, cutting tools, and knives.
- Automotive Components: This type of carbon steel is utilized in the automotive industry for various components such as leaf springs, torsion bars, and other suspension system parts.
- Agricultural Equipment: 1566 carbon steel is used in the manufacturing of agricultural equipment, including tines, plowshares, and harrow discs.
- Fasteners: Due to its strength and hardness, 1566 carbon steel is often employed in the production of fasteners such as bolts, nuts, and studs.
- Hand Tools: The combination of high strength, toughness, and wear resistance makes 1566 carbon steel suitable for hand tools like hammers, chisels, wrenches, and punches.