Description
SAE 1008 Steel is a low-carbon steel commonly used for applications that require excellent formability and weldability but do not demand high strength. It belongs to the American Iron and Steel Institute (AISI) classification, specifically in the 1000 series, which denotes plain carbon steels. SAE 1008 is characterized by its low carbon content, typically ranging between 0.08% and 0.10%, which makes it one of the softest carbon steels available, resulting in high ductility and good machinability. This steel is widely used in the automotive, construction, and manufacturing industries.
Properties of SAE 1008 Steel:
- Carbon Content: 0.08% – 0.10%
- Manganese Content: 0.30% – 0.50%
- Tensile Strength: 275–410 MPa (40,000–60,000 psi)
- Yield Strength: 180–275 MPa (26,000–40,000 psi)
- Elongation: 25% – 30% in 50 mm
- Hardness: 100-130 HB (Brinell)
- Weldability: Excellent, no need for preheating
- Machinability: Good for a low-carbon steel, easily worked
- Formability: Outstanding, due to low carbon content and high ductility
- Corrosion Resistance: Poor, requires coatings or surface treatments for corrosive environments
Grades of SAE 1008 Steel:
| Grade |
Description |
| SAE 1008 Hot-Rolled |
Hot-rolled steel provides moderate strength and toughness, with a rougher surface. Suitable for general applications. |
| SAE 1008 Cold-Rolled |
Cold-rolled version offers higher precision, smoother surface, and tighter tolerances, ideal for detailed applications. |
| SAE 1008 Annealed |
Annealed for maximum ductility, allowing for extensive shaping and forming without cracking. |
Applications of SAE 1008 Steel:
| Industry/Field |
Applications |
| Automotive |
Commonly used in automotive components like body panels, brackets, and structural members where high formability is necessary. |
| Construction |
Used in structural applications such as beams, angles, and channels, where moderate strength and excellent weldability are required. |
| Appliances |
Suitable for parts in appliances like refrigerator shelving, enclosures, and brackets due to its ductility and formability. |
| Manufacturing |
Widely used in producing furniture frames, office equipment, and various metal enclosures due to its ease of forming and affordability. |
| Wire Products |
Used in wire products like nails, wire rods, and fencing, as it can be easily drawn and shaped. |
| Agricultural Equipment |
Applied in light-duty agricultural machinery components and frames where durability and cost-effectiveness are needed. |
| Fasteners |
Used in the production of low-strength fasteners like bolts, screws, and rivets due to its toughness and moderate strength. |
| Pipes and Tubing |
Ideal for making tubes and pipes that require bending or shaping, commonly used in light-duty applications. |
Advantages of SAE 1008 Steel:
- Excellent Formability: Due to its low carbon content, SAE 1008 is highly ductile, making it easy to shape, bend, and form into various profiles.
- High Weldability: The low carbon content allows SAE 1008 to be welded easily without requiring preheating, making it ideal for assembly and fabrication.
- Good Machinability: SAE 1008 steel can be machined with ease, making it suitable for various manufacturing processes.
- Cost-Effective: SAE 1008 is relatively inexpensive, making it a popular choice for mass-produced parts and non-critical structural applications.
- Versatile Applications: SAE 1008’s high ductility and moderate strength make it suitable for a wide range of light-duty applications.
Limitations of SAE 1008 Steel:
- Low Strength: SAE 1008 has lower tensile and yield strengths, making it unsuitable for high-stress or load-bearing applications.
- Poor Corrosion Resistance: SAE 1008 lacks inherent corrosion resistance and requires surface treatments or coatings (like galvanizing or painting) for use in outdoor or corrosive environments.
- Not Suitable for Heat Treatment: Due to its low carbon content, SAE 1008 cannot be hardened through heat treatment, limiting its use in applications requiring wear resistance.
Comparison with Other Carbon Steels:
| Steel Grade |
Comparison with SAE 1008 Steel |
| SAE 1006 |
SAE 1006 has a lower carbon content than 1008, offering even better ductility but slightly lower strength. Used for similar applications needing formability. |
| SAE 1010 |
SAE 1010 has slightly higher carbon content, providing slightly higher strength but less ductility compared to 1008, making it suitable for tougher applications. |
| SAE 1015 |
SAE 1015 has a higher carbon content, resulting in better strength and hardness, but slightly less formability. Suitable for applications needing moderate strength. |
| SAE 1020 |
SAE 1020 has a higher carbon content than 1008, offering greater strength and hardness but with reduced weldability and formability. |
Heat Treatment and Hardening of SAE 1008 Steel:
- Annealing: SAE 1008 can be annealed to maximize ductility and soften the material, making it even easier to machine and shape.
- Cold Working: Cold rolling or cold working can increase the strength of SAE 1008 slightly but does not achieve the levels seen in heat-treated high-carbon steels.
- Not Suitable for Quenching and Tempering: Due to the low carbon content, SAE 1008 cannot be hardened significantly through quenching and tempering.
Supply Cities:
Mumbai Ahmedabad, Amaravathi, Ambattur, Bangalore, Belgaum, Chennai, Chittoor, Coimbatore, Dindigul, Mysore, Nellore, Hyderabad, Kochi, Mangalore, Tirupur, Tuticorin, Madurai, Andhra Pradesh, Karnataka, Puducherry, Kerala, Tamil Nadu, Telangana, Visakhapatnam, Kochi, Kerala, Hubli-Dharwad, Karnataka.
