Structural Steel Shapes are usually ordered as specification ASTM-A36.

This Standard of the American Society for Testing and Materials is issued under the designation A-36.

All size available as hot dipped galvanized

Conforms to A-992, A-36 and A-572-GR50.
Standard lengths 40', 50', 60'
Unit of Measure



N/A Steel


N/A Flange Beams

Nominal Size

N/A 4 x 4 inches

Working Decimal Equivalent

N/A 4.000 x 4.000 inches101.6 x 101.6 mm

Weight lbs/ft

N/A 13.0 lbs/ft19.346132 kg/m

Depth of Section - A

N/A 4.16 inches105.664 mm

Flange Width - B

N/A 4.060 inches103.124 mm

Average Flange Thickness - C

N/A 0.375 inches9.525 mm

Web Thickness - D

N/A 0.280 inches7.112 mm

Weight per 40 ft. Length

N/A 520 lbs235.56 kg

Weight per 50 ft. Length

N/A 650 lbs294.45 kg

Weight per 60 ft. Length

N/A 780 lbs353.34 kg

Standard Length

N/A 40 ft50 ft60 ft

Typical Mechanical Properties

Tensile Strength

N/A 56000 to 80000 psi

Min. Yield Strength

N/A 50000 psi

Max. Carbon Content

N/A 0.26

ASTM Specification

N/A ASTM A-36 ASTM A-572