Constructional and Structural Steel Plate

American Alloy Steel is pleased to offer structural steel plate with superior forming, welding and strength characteristics for use in steel construction and structural steel plate fabrication. We have the following constructional steel plate available for supply and distribution from stock.

ASTM A656 Steel Plate Grade 80 Type 7

3/8 inch through 3/4 inch thickness in 96 inch widths and 360 inch lengths.

ASTM A514 Steel Plate (Quenched and Tempered)

3/16 inch through 6 inch thickness in up to 120 inch widths and 480 inch lengths.

ASTM A572 Steel Plate (Grades 50/60)

3/16 inch through 4 inch thickness in up to 120 inch widths and 480 inch lengths.

ASTM A588 Steel Plate (Grades A/B)

3/16 inch through 4 inch thickness in up to 120 inch widths and 480 inch lengths.

ASTM A633 Steel Plate

3/8 inch through 4 inch thickness in up to 151 inch widths and 600 inch lengths.


Full plate patterns or custom flame cut shapes and parts.