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Description
Overview of ASTM A283 Grade C (A283GRC) Carbon Steel Plate
ASTM A283 Grade C is a specification for low and intermediate tensile strength carbon steel plates intended for general structural purposes. It is commonly used in applications where moderate strength is required, making it a versatile choice for various industries.
Chemical Composition and Mechanical Properties of A283 Grade C Steel
Chemical Composition:
| Element | Percentage |
|---|---|
| Carbon (C) | 0.24 – 0.29% |
| Manganese (Mn) | 0.90% max |
| Phosphorus (P) | ≤0.035% |
| Sulfur (S) | ≤0.040% |
| Silicon (Si) | 0.40% max |
| Copper (Cu) | 0.20% min (if specified) |
Mechanical Properties:
| Property | Value |
|---|---|
| Yield Strength (min) | 205 MPa (30 ksi) |
| Tensile Strength | 380 – 510 MPa (55 – 74 ksi) |
| Elongation in 8″ (min) | 20% |
Applications and Industries Utilizing A283 Grade C Carbon Steel
A283 Grade C carbon steel is widely used across various industries, including:
- Construction: Used in the construction of buildings, bridges, and other infrastructure.
- Manufacturing: Structural components for machinery and equipment.
- Pressure Vessels: Suitable for manufacturing storage tanks and low-pressure vessels.
- Oil & Gas: Applications in oil refineries and petrochemical plants.
- General Fabrication: Used in various structural applications where moderate strength is sufficient.
Corrosion Resistance and Performance Characteristics of A283 Grade C
- Corrosion Resistance: While it has moderate corrosion resistance, protective coatings are recommended for environments with high corrosion potential.
- Performance Characteristics: Known for good weldability, ductility, and machinability, making it easy to form into various shapes.
Manufacturing Processes for ASTM A283 Grade C Steel Plates
A283 Grade C steel plates are typically manufactured through processes such as:
- Hot Rolling: The steel is rolled at high temperatures to achieve desired thickness.
- Cold Rolling: Further processing improves surface finish and dimensional accuracy.
Available Dimensions:
| Thickness Range | Width Range | Length Range |
|---|---|---|
| 3 mm – 610 mm | 1500 mm – 4064 mm | 3000 mm – 27000 mm |
Welding and Fabrication Considerations for A283 Grade C Steel
- Weldability: Generally good weldability; can be welded using standard methods such as MIG, TIG, or stick welding.
- Post-Weld Treatment: Post-weld heat treatment is not typically required but can enhance properties depending on application requirements.
Comparison of ASTM A283 Grade C with Other Carbon Steel Grades
| Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Typical Applications |
|---|---|---|---|
| A283 Gr.C | ≥205 | 380 – 510 | General construction, pressure vessels |
| A36 | ≥250 | 400 – 550 | General structural applications |
| A572 | ≥345 | 450 – 620 | Structural applications requiring higher strength |
At HL Steel Company, we provide high-quality ASTM A283 Grade C (A283GRC) carbon steel plates tailored for various industrial applications, ensuring optimal performance and reliability in demanding environments.
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