SAE/AISI 1345 Carbon Steel (UNS G13450)
SAE/AISI 1345 is a medium-carbon steel that is commonly used in a wide variety of applications due to its good strength, hardenability, and machinability. It is also relatively inexpensive and readily available.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Iron | 97.20% | 97.80% |
| Carbon | 0.43% | 0.48% |
| Manganese | 1.60% | 1.90% |
| Phosphorous | 0.035% | |
| Silicon | 0.15% | 0.35% |
| Sulfur | 0.04% | |
The following table provides a list of SAE/AISI 1345 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 |
| Bulk Modulus (K) | 140 GPa |
| Shear Modulus (G) | 80 GPa |
| Poisson’s Ratio (ν) | 0.27 - 0.30 |
| Brinell Hardness | 180 - 240 |
| Thermal Properties | Metric |
| Thermal Conductivity | 50 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 | 4.18×106 S/m |
| Electrical Resistivity | 2.4×10-7 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 1345 Carbon Steel
| Advantages | Disadvantages |
|---|---|
| High strength | Low ductility |
| Good machinability | Susceptible to corrosion |
| Good weldability | |
| Wide range of applications |
Applications of 1345 Carbon Steel
1345 carbon steel is a versatile material that can be used in a wide range of applications. Some common applications of 1345 carbon steel include:
- Machinery and equipment: 1345 carbon steel is used in a variety of machinery and equipment, including engines, pumps, and compressors. It is also used in the construction of machinery frames and other structural components.
- Structural components: 1345 carbon steel is used in a variety of structural components, including beams, columns, and trusses. It is also used in the construction of bridges, buildings, and other structures.
- Automotive parts: 1345 carbon steel is used in a variety of automotive parts, including axles, crankshafts, and connecting rods. It is also used in the construction of car bodies and other automotive components.
- Tools and dies: 1345 carbon steel is used in a variety of tools and dies, including cutting tools, stamping dies, and forging dies. It is also used in the construction of machine tools and other precision equipment.
- Pipelines: 1345 carbon steel is used in the construction of pipelines, including oil pipelines, gas pipelines, and water pipelines. It is also used in the construction of other structures that require corrosion resistance.
- Bearings: 1345 carbon steel is used in a variety of bearings, including ball bearings, roller bearings, and needle bearings. It is also used in the construction of other components that require strength and durability.
- Springs: 1345 carbon steel is used in a variety of springs, including compression springs, extension springs, and torsion springs. It is also used in the construction of other components that require strength and flexibility.
- Wire: 1345 carbon steel is used in a variety of wire products, including electrical wire, welding wire, and reinforcing wire. It is also used in the construction of other components that require strength and conductivity.