SAE/AISI 1117 Carbon Steel (UNS G11170)
SAE/AISI 1117 is a low-carbon steel that is commonly used in a variety of applications, including automotive parts, appliances, and hardware. It is a versatile and affordable material that is easy to machine and weld.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Iron | 98.33% | 98.78% |
| Carbon | 0.14% | 0.20% |
| Manganese | 1.0% | 1.3% |
| Phosphorous | 0.04% | |
| Sulfur | 0.08 | 0.13% |
The following table provides a list of SAE/AISI 1117 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 |
| Tensile Strength (Ultimate) | 475 MPa |
| Tensile Strength (Yield) | 400 MPa |
| Young’s Modulus (E) | 190 - 210 GPa |
| Bulk Modulus (K) | 140 GPa |
| Shear Modulus (G) | 80 GPa |
| Elongation at Break | 15% |
| Reduction of Area | 40% |
| Poisson’s Ratio (ν) | 0.27 - 0.30 |
| Brinell Hardness | 137 |
| 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 |
| Electrical Properties | Metric |
| Electrical Conductivity | 4.12×106 S/m |
| Electrical Resistivity | 2.43×10-7 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 1117 Carbon Steel
| Advantages | Disadvantages |
|---|---|
| Excellent Machinability | Limited Strength and Hardness |
| Good Surface Finish | Reduced Impact Resistance |
| Cost-Effective | |
| Good Weldability |
Applications of 1117 Carbon Steel
AISI 1117 carbon steel is commonly used in a variety of applications where its specific properties, particularly its excellent machinability, are advantageous. Here are some common applications of AISI 1117 carbon steel:
- Machined Components: AISI 1117 steel is widely used for producing machined components such as bushings, couplings, spindles, shafts, and fittings.
- Fasteners: AISI 1117 steel is utilized in the production of fasteners such as bolts, screws, studs, and nuts.
- Hydraulic Fittings: The machinability and good surface finish of AISI 1117 make it suitable for manufacturing hydraulic fittings, including hydraulic couplings, connectors, and adapters.
- Automotive Components: AISI 1117 steel finds application in various automotive components such as bushings, spindles, and shafts.
- Small Machine Parts: Due to its ease of machining and good surface finish, AISI 1117 is commonly used for small machine parts like gears, rollers, pins, and cams.
- Tooling and Fixtures: AISI 1117 steel is sometimes employed for tooling and fixtures that require good machinability, such as jigs, fixtures, and templates.