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A572 Steel Plate

ASTM A572 steel plate is used in a variety of structural applications including bridges, buildings, construction equipment, freight cars, machinery, truck parts and transmission towers.

A572 steel plate is produced in five grades: 42, 50, 55, 60 and 65. Leeco Steel stocks all five grades at its distribution centers.

A572 Availability

THICKNESSWIDTHLENGTH
Grade 42 4" – 6" 48" – 120" 96" – 480"
Grade 50 3/16" – 4" 48" – 120" 96" – 480"
Grade 55 3/16" – 1 1/2" 48" – 120" 96" – 480"
Grade 60 3/16" – 1 1/4" 48" – 120" 96" – 480"
Grade 65 3/16" – 1 1/4" 48" – 120" 96" – 650"

Make sure you see the rest of Leeco Steel's High Strength Low Alloy steel plate inventory.

ASTM A572 Chemical Composition

A572 Steel Composition
  Grade 42 Grade 50 Grade 60 Grade 65
Carbon 0.21% 0.23% 0.26% 0.23-0.26%
Manganese 1.35% 1.35% 1.35% 1.35-1.65%
Phosphorus 0.03% 0.03% 0.03% 0.03%
Sulfur 0.03% 0.03% 0.03% 0.03%
Silicon 0.15-0.4% 0.15-0.4% 0.4% 0.4%

ASTM A572 Yield, Tensile & Elongation

The maximum stress points of A572 steel differ by grade.

A572 Steel Strength
Grade Yield Point (ksi) Tensile Strength (ksi) Min. 8" Elongation %
42 42 60 20
50 50 65 18
60 60 75 16
65 65 80 15