ASTM A572 Low Alloy Steel Plates

ASTM A572 low alloy steel plates are produced in Grades 42, 50, 60 & 65—the grades representing the yield strength. The most common grade we stock is Grade 50 low alloy steel plate which is produced up to 4” thick.

ASTM A572 is a high strength low alloy steel plate used in a variety of structural applications.  Anything over 4” is made to a Grade 42, although we often stock it modified to reach the 50 ksi min yield. On requirements for this please inquire. We also stock Grade 60 in limited quantities.
ASTM A572 Gr50 Low Alloy Steel Plates Mechanical Properties:
Tensile: 65 ksi min
Yield: 50 ksi min
Elongation: 16% min in 8” 19% min in 2” (for plates wider than 24”)
A572 Gr60 Low Alloy Steel Plates Mechanical Properties:
Tensile: 75 ksi min
Yield: 60 ksi min
Elongation: 16% min in 8” 15% min in 2” (for plates wider than 24”)

A572 Gr42 Low Alloy Steel Plates Mechanical Properties:

Tensile: 60 ksi min
Yield: 42 ksi min
Elongation: 18% min in 8” 22% min in 2” (for plates wider than 24”)

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