SAE/AISI 1059 Carbon Steel (UNS G10590)
SAE/AISI 1059 steel is known for its moderate strength and good toughness. It is commonly used in applications where a balance between strength and ductility is required, such as shafts, gears, axles, and other mechanical components.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Iron | 98.46% | 98.95% |
| Carbon | 0.55% | 0.65% |
| Manganese | 0.50% | 0.80% |
| Phosphorous | 0.04% | |
| Sulfur | 0.05% | |
The following table provides a list of SAE/AISI 1059 properties in both SI and US customary/Imperial units.
Click on the icon to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Density | 7870 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 |
| Thermal Properties | Metric |
| Thermal Conductivity | 52 W/m·K |
| Specific Heat Capacity (Cp) | 470 J/kg·K |
| Coefficient of Thermal Expansion (αL) | 1.15×10-5 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 1059 Carbon Steel
| Advantages | Disadvantages |
|---|---|
| Good Strength | Limited Corrosion Resistance |
| Good Wear Resistance | Lower Toughness at Low Temperatures |
| Good Machinability | Limited Hardenability |
| Cost-Effective |
Applications of 1059 Carbon Steel
AISI 1059 carbon steel is commonly used in various applications where a balance between strength, toughness, and cost-effectiveness is required. Some of the typical applications of 1059 carbon steel include:
- Shafts and Axles: AISI 1059 steel’s moderate strength and good toughness make it suitable for use in shafts and axles in machinery, vehicles, and equipment.
- Gears: The wear resistance and machinability of AISI 1059 make it a suitable material for gears and gear components that are subjected to moderate loads and wear.
- Springs: AISI 1059 can be used for manufacturing coil springs, flat springs, and other spring components where a combination of strength and resilience is necessary.
- Bolts, Nuts, and Fasteners: Carbon steels, including AISI 1059, are often used in the production of bolts, nuts, and fasteners due to their good strength and ease of machining.
- Hand Tools: Carbon steel grades like AISI 1059 are commonly employed in the production of hand tools such as wrenches, pliers, hammers, and screwdrivers.
- Agricultural Equipment: Components in agricultural machinery, such as tillage equipment, harvesters, and tractors, can be made using AISI 1059 steel due to its moderate strength and affordability.
- General Machinery Parts: Various parts of machinery, including brackets, levers, connecting rods, and structural components, can be manufactured from AISI 1059 carbon steel.
- Construction and Infrastructure: AISI 1059 can be used in the construction industry for applications such as structural supports, brackets, and other components where moderate strength is required.