SAE/AISI 1043 Carbon Steel (UNS G104300)
SAE/AISI 1043 steel is commonly used in applications that require a combination of strength and toughness, such as machinery parts, automotive components, and agricultural equipment.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Iron | 98.44% | 98.90% |
| Carbon | 0.40% | 0.47% |
| Manganese | 0.70% | 1.0% |
| Phosphorous | 0.04% | |
| Sulfur | 0.05% | |
The following table provides a list of SAE/AISI 1043 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 |
| Tensile Strength (Ultimate) | 560 - 710 MPa |
| Tensile Strength (Yield) | 310 - 600 MPa |
| Young’s Modulus (E) | 190 - 210 GPa |
| Bulk Modulus (K) | 140 GPa |
| Shear Modulus (G) | 80 GPa |
| Elongation at Break | 13 - 18% |
| Poisson’s Ratio (ν) | 0.27 - 0.30 |
| Brinell Hardness | 160 - 200 |
| 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 | 4.1×106 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 1043 Carbon Steel
| Advantages | Disadvantages |
|---|---|
| Good Strength and Toughness | Limited Hardenability |
| Good Machinability | Lower Wear Resistance |
| Good Weldability | Susceptible to Corrosion |
| Cost-Effective |
Applications of 1043 Carbon Steel
AISI 1043 carbon steel finds application in various industries and sectors where a balance of strength, toughness, and cost-effectiveness is required. Here are some common applications:
- Machinery Components: AISI 1043 is used in the manufacturing of various machinery components such as gears, shafts, bolts, nuts, and machine parts.
- Construction and Structural Components: Carbon steel, including AISI 1043, is used in the construction industry for structural components such as beams, columns, and support brackets.
- Automotive Parts: AISI 1043 is used in the automotive industry for manufacturing parts like axles, crankshafts, connecting rods, and steering components.
- Fasteners: Carbon steel fasteners, including AISI 1043, are commonly used in various industries. Screws, bolts, and studs made from 1043 carbon steel provide the necessary strength and reliability for fastening applications.
- Tools and Tooling Components: AISI 1043 is employed in the production of tools and tooling components such as punches, dies, drills, and cutting blades.
- General Industrial Applications: AISI 1043 carbon steel is utilized in a wide range of general industrial applications, including pipe fittings, flanges, couplings, and general-purpose machinery components.