Structural, Carbon & HSLA Steel Plate

ASTM A656

A656 steel plate refers to a high-strength, low-alloy (HSLA) structural steel plate that conforms to the ASTM A656/A656M specification. The ASTM A656/A656M specification covers hot-rolled structural steel plates for use in truck frames, crane booms, rail cars, and similar applications.

A656 steel plates are characterized by their high strength and improved formability compared to regular carbon steels. They offer excellent weldability and impact toughness, making them suitable for applications that require high strength and durability.

A656 steel plates are typically produced through controlled rolling or thermo-mechanical controlled processing (TMCP). This manufacturing process helps optimize the mechanical properties of the steel, including its strength and toughness.

Mechanical Properties 656 Gr 50:

• Tensile: 60 ksi min
• Yield: 50 ksi min
• Elongation: 18% in 8” 21% in 2” (for plates wider than 24″)

Mechanical Properties 656 Gr 60:

• Tensile: 60 ksi min
• Yield: 60 ksi min
• Elongation: 14% in 8” 17% in 2” (for plates wider than 24″)

Mechanical Properties 656 Gr 70:

• Tensile: 80 ksi min
• Yield: 70 ksi min
• Elongation: 11% in 8” 14% in 2” (for plates wider than 24″)

Mechanical Properties 656 Gr 80:

• Tensile: 90 ksi min
• Yield: 80 ksi min
• Elongation: 9% in 8” 12% in 2” (for plates wider than 24″)

Stock Sizes
Grade Thickness (Inches) Width (Inches) Length (Inches)
A656
3/16" - 1"
10" - 144"
10" - 1,000" +

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