A high strength low alloy steel used in a variety of structural applications.
32-4340.JPG

A572 Gr.42 is used in wide range of structural applications, such as buildings, transmission towers, bridges, construction equipment, and truck frames. The mechanical properties enable excellent weldability, ductility and machinability.

Range

Equal Angle Bars

Wide Flange Beams

Plates (thickness)

Sheets (thickness)

min

1/2x1/2x1/16"

W4

1/2" [6.35mm]

19 GA [1.00 mm]

max

14x14x1-1/4"

W44

10" [254mm]

1/2" [6.35mm]

Range

C

Mn

P

S

Si

min

-

-

-

-

0.15

max

0.21

1.35

0.030

0.030

0.40

Yield Strength

Tensile Strength

Elongation in 2"

min

42 Ksi [290 MPa]

60 Ksi [413 MPa]

20 %

max

-

-

-

Simone Woods

Simone Woods