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A572 Heavy Steel Plate

ASTM A 572 heavy steel plate is used in a variety of structural applications including bridges, buildings, construction equipment, freight cars, machinery, truck parts and transmission towers.

A572 heavy steel plate is produced in five grades as listed below. 

 

A572-Heavy Availability

THICKNESSWIDTHLENGTH
Grade 42 3" – 6" 48" – 120" 96" – 480"
Grade 50 3" – 6" 48" – 120" 96" – 480"
Grade 60 3" – 6" 48" – 120" 96" – 480"
Grade 65 3" – 6" 48" – 120" 96" – 650"

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