Details about ASTM A283 Grade C(A283GRC) Carbon Steel Plate

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:

  1. Construction: Used in the construction of buildings, bridges, and other infrastructure.
  2. Manufacturing: Structural components for machinery and equipment.
  3. Pressure Vessels: Suitable for manufacturing storage tanks and low-pressure vessels.
  4. Oil & Gas: Applications in oil refineries and petrochemical plants.
  5. 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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