What is SAE / AISI 1005 Steel?
SAE / AISI 1005 steel is a low-carbon alloy that is often used in automotive and industrial applications. It’s known for its excellent tensile strength and weldability, as well as its good corrosion resistance, heat resistance, and heat treatment characteristics. In this guide, we’ll explore the physical, chemical, mechanical, and application properties of SAE / AISI 1005 steel.
Physical Properties of AISI 1005 Steel
SAE / AISI 1005 steel has a density of 7.8g/cm3 (0.278 lb/in3). Its melting temperature is 1280°C (2336°F), and its thermal conductivity is 31 W/(mK). It also has a modulus of elasticity of 200 GPa (29 million psi) and an electrical resistivity of 0.14 μΩ·m at 20°C (68°F).
|Density (composition 0.06% C, 0.38% Mn, 0.01% Si, annealed at 925°C)||7.872 g/cm³||0.2844 lb/in3|
Chemical Properties of SAE 1005 Steel
The chemical composition of SAE / AISI 1005 consists mostly of iron with trace amounts of carbon—usually no more than 0.25%. This low carbon content makes it ideal for applications such as springs or wires where strength isn’t a major concern, but low weight is important.
|Iron, Fe||99.5 – 100|
Mechanical Properties of SAE /AISI 1005 Steel
SAE /AISI 1005 has good mechanical properties, including a yield strength ranging from 280 to 380 MPa (41 to 55 ksi), an ultimate tensile strength between 310 to 430 MPa (45 to 62 ksi), and an elongation rate between 30% to 40%. It also has good fatigue characteristics with an endurance limit of around 180 MPa (26 ksi).
|Modulus of elasticity||190-210 GPa||27557-30458 ksi|
|Bulk modulus (typical for steel)||140 GPa||20300 ksi|
|Shear modulus (typical for steel)||80 GPa||11600 ksi|
Equivalents of AISI 1005
Other designations that are equivalent to the AISI 1005 carbon steel include the following:
- ASTM A29
- ASTM A510
- MIL S-11310
- SAE J403
- SAE J412
Uses of SAE/AISI 1005 Steel
Due to its excellent mechanical properties, good weldability, and corrosion resistance, SAE/AISI 1005 can be found in many automotive components, such as transmission shafts, drive shafts, axles, suspension components, and steering columns. It’s also used in industrial applications like piping systems or tooling equipment due to its high wear resistance.
Corrosion Resistance & Heat Treatment
When exposed to atmospheric conditions or other corrosive environments, such as salt water or acidic liquids, the rust-resistant qualities of SAES/AISI1005 make it ideal for outdoor applications like bridges or outdoor furniture where corrosion protection is needed. Heat treatment will increase the hardness level but should only be done when absolutely necessary due to the risk of cracking or warping the metal; when heat treated correctly, however it can reach Rockwell hardness levels up to 50 HRC without any adverse effects on the material itself.
In summary, SAE/AISI1005 steel offers excellent strength with decent weldability and corrosion resistance at an affordable price point, making it perfect for automotive parts such as suspension components and drive shafts along with industrial applications like tooling equipment or piping systems that require durability over time without breaking your budget. Its low carbon content also makes it great for applications where lightweight but still strong materials are preferred, such as springs or wires, which need flexibility but still need some amount of strength behind them. With proper heat treatment, this alloy can even reach Rockwell hardness levels up to 50 HRC while still maintaining all its original qualities intact making it one of the most versatile alloys available today!
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