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

Specifications

Material

Steel

Shapeform

Flange Beams

Nominal Size

6 x 4 inches

Working Decimal Equivalent

6.000 x 4.000 inches152.4 x 101.6 mm

Weight lbs/ft

12.00 lbs/ft17.857968 kg/m

Depth of Section - A

6.00 inches152.4 mm

Flange Width - B

4.000 inches101.6 mm

Average Flange Thickness - C

0.279 inches7.0866 mm

Web Thickness - D

0.230 inches5.842 mm

Weight per 40 ft. Length

480 lbs217.44 kg

Weight per 50 ft. Length

600 lbs271.8 kg

Weight per 60 ft. Length

720 lbs326.16 kg

Standard Length

40 ft50 ft60 ft

Typical Mechanical Properties

Tensile Strength

56000 to 80000 psi

Min. Yield Strength

50000 psi

Max. Carbon Content

0.26

ASTM Specification

ASTM A-36 ASTM A-572