SAE/AISI 1049 Carbon Steel (UNS G10490)
SAE/AISI 1049 steel offers good strength and toughness properties, making it suitable for various applications that require moderate to high strength. It is commonly used in the manufacturing of machinery parts, gears, shafts, and other components where strength and wear resistance are important.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Iron | 98.48% | 98.94% |
| Carbon | 0.46% | 0.53% |
| Manganese | 0.60% | 0.90% |
| Phosphorous | 0.04% | |
| Sulfur | 0.05% | |
The following table provides a list of SAE/AISI 1049 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) | 600 - 750 MPa |
| Tensile Strength (Yield) | 330 - 640 MPa |
| Young’s Modulus (E) | 190 - 210 GPa |
| Bulk Modulus (K) | 140 GPa |
| Shear Modulus (G) | 80 GPa |
| Elongation at Break | 15 - 20% |
| Poisson’s Ratio (ν) | 0.27 - 0.30 |
| Brinell Hardness | 180 - 220 |
| 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 1049 Carbon Steel
| Advantages | Disadvantages |
|---|---|
| Good Strength | Low Corrosion Resistance |
| Good Machinability | Limited Hardness |
| Good Weldability | Lower Impact Resistance |
| Cost-Effective |
Applications of 1049 Carbon Steel
AISI 1049 carbon steel is commonly used in various applications that require a combination of strength, toughness, and affordability. Here are some typical applications where AISI 1049 carbon steel can be found:
- Gears and Shafts: AISI 1049 is suitable for manufacturing gears, shafts, and other mechanical components that require good strength and wear resistance.
- Bolts and Fasteners: AISI 1049 carbon steel is often used for producing bolts, screws, studs, and other fasteners. Its strength and weldability make it suitable for securing components in various industries.
- Machinery Components: AISI 1049 is utilized in the construction of machinery components such as axles, spindles, crankshafts, and connecting rods. These components require a balance of strength and machinability.
- Structural Parts: In certain structural applications, AISI 1049 carbon steel may be used for manufacturing beams, supports, frames, and other load-bearing parts. Its strength properties make it suitable for providing structural stability.
- Automotive Components: AISI 1049 can be found in automotive applications, including parts such as gears, shafts, axles, and steering components. Its combination of strength and machinability makes it suitable for these demanding applications.
- Agricultural Equipment: AISI 1049 carbon steel is used in the manufacturing of agricultural machinery and equipment, including parts like plow blades, harrow teeth, and machinery components that require strength and durability.
- Construction Equipment: Certain construction equipment components, such as excavator buckets, blades, and pins, may be made from AISI 1049 carbon steel due to its strength and wear resistance.
- Hand Tools: AISI 1049 is suitable for producing various hand tools such as wrenches, hammers, chisels, and punches. Its machinability and strength properties make it suitable for shaping and forming these tools.