A656 Steel Plate

Leeco® Steel stocks and supplies a series of ASTM A656 HSLA steel plate products. Build a quote today.

Overview:

  • High-strength, low-alloy (HSLA) steel offering improved weldability, formability and notch toughness in the as-rolled condition.
  • Available in four grades: 50, 60, 70 and 80 (most popular) and 100.
  • Can be made to three types of chemical requirements: Type 3, Type 7 and Type 8.
  • Suitable at ambient and low temperatures.
  • Commonly used in construction equipment, crane booms, truck frames and general fabrication.
  • Due to quickly shifting inventory with this grade of structural steel, please inquire about available sizes.

 

Available Sizes

Leeco Steel stocks the following standard sizes, but other sizes may be available for special orders.

  THICKNESS WIDTH LENGTH
Grades 50, 60 & 70 Inquire Inquire Inquire
Grade 80 3/16" – 1" 48" – 120" Up to 480"
Grade 100 1/4" – 1 1/2" 48" – 120" Up to 480"

Material Properties

The following material properties are ASTM specifications and will be confirmed on the Mill Test Report.

Grade Yield Point (ksi) Tensile Strength (ksi) Min. 8” Elongation %
50 50 60 20
60 60 70 17
70 70 80 14
80 80 90 12
100 100 110 12

 

Chemical Composition

The following composition properties are ASTM specifications for these A656 grades. All grades can be produced with three types of chemical compositions.

A656 (All Grades) Type 3
Carbon max 0.18%
Manganese max 1.65%
Phosphorus max 0.025%
Sulfur max 0.030%
Silicon max 0.60%
Columbium 0.008-0.10%
Vanadium max 0.08%
Nitrogen max 0.030%

 

A656 (All Grades) Type 7
Carbon max 0.18%
Manganese max 1.65%
Phosphorus max 0.025%
Sulfur max 0.030%
Silicon max 0.60%
Columbium 0.10% max
Vanadium max 0.15%
Nitrogen max 0.030%

 

A656 (All Grades) Type 8
Carbon max 0.18%
Manganese max 1.65%
Phosphorus max 0.025%
Sulfur max 0.030%
Silicon max 0.60%
Columbium 0.10% max
Vanadium max 0.08-0.15%
Titanium max 0.15%
Nitrogen max 0.030%