SAE/AISI 8617 Alloy Steel (UNS G86170)
SAE/AISI 8617 is a low-alloy steel that offers a combination of strength, hardness, and ductility. It is often used in the machining and fabrication of components because of its excellent corrosion resistance, heat resistance, and wear resistance.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Iron | 96.98% | 98.05% |
| Carbon | 0.15% | 0.20% |
| Chromium | 0.40% | 0.60% |
| Manganese | 0.70% | 0.90% |
| Molybdenum | 0.15% | 0.25% |
| Nickel | 0.40% | 0.70% |
| Phosphorous | 0.035% | |
| Silicon | 0.15% | 0.30% |
| Sulfur | 0.04% | |
The following table provides a list of SAE/AISI 8617 properties in both SI and US customary/Imperial units.
Click on the icon to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Density | 7700 - 8030 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 | 46.6 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 | 4.23×106 S/m |
| Electrical Resistivity | 2.36×10-7 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 8617 Alloy Steel
| Advantages | Disadvantages |
|---|---|
| High strength | More expensive than other types of steel |
| Good machinability | More difficult to weld than other types of steel |
| Good corrosion resistance | Can be brittle in some applications |
| Good wear resistance |
Applications of 8617 Alloy Steel
AISI 8617 steel is a low-alloy steel that offers a combination of strength, hardness, and ductility. It is often used in the machining and fabrication of components. Some common applications of AISI 8617 include:
- Automotive Industry AISI 8617 steel is used to make gears, shafts, and other components.
- Aerospace Industry AISI 8617 steel is used to make fasteners, turbine blades, and other components.
- Medical Industry AISI 8617 steel is used to make implants and other medical devices.
- Construction Industry AISI 8617 steel is used to make structural components such as beams and columns.