A283 Low Steel Plate

ASTM A283 plate steel features low and intermediate tensile strength carbon steel plate of structural quality.

Overview:

  • Low-to-intermediate tensile strength structural steel.
  • Available in two grades: C and D.
  • Due to quickly shifting inventory with this grade of structural steel, please inquire about availability.

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 %
C 30 55-75 22
D 33 60-80 20

 

Chemical Composition

The following composition properties are ASTM specifications for the A283 grade.

Grade C  
Carbon max 0.24%
Manganese max 0.90%
Phosphorus max 0.030%
Sulfur max 0.030%
Silicon max, plates ≤ 1 1/2" thick 0.40%
Silicon, plates over 1 1/2" thick 0.15-0.40%
Copper min 0.20%

 

Grade D  
Carbon max 0.27%
Manganese max 0.90%
Phosphorus max 0.030%
Sulfur max 0.030%
Silicon 0.15-0.40%
Copper min 0.20%