SAE/AISI 1566 Carbon Steel (UNS G15660)
SAE/AISI 1566 is a high-carbon steel alloy recognized for its superior strength, elasticity, and wear resistance. Commonly used in automotive, agricultural, and toolmaking applications, it performs well under cyclic stress due to its excellent fatigue properties.
Looking to buy steel?
Check pricing and availability through our trusted partner:
| 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 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 |
| 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 applications in various industries due to its favorable mechanical properties. Key applications include:
- Springs: 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 make it suitable for the production of blades, cutting tools, and knives.
- Automotive Components: Utilized in the automotive industry for various components such as leaf springs, torsion bars, and other suspension system parts.
- Agricultural Equipment: Used in the manufacturing of agricultural equipment, including tines, plowshares, and harrow discs.
- Fasteners: Employed in the production of fasteners such as bolts, nuts, and studs due to its strength and hardness.
- Hand Tools: The combination of high strength, toughness, and wear resistance makes it suitable for hand tools like hammers, chisels, wrenches, and punches.