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

18 x 11 inches

Working Decimal Equivalent

18.000 x 11.000 inches457.2 x 279.4 mm

Weight lbs/ft

97 lbs/ft144.351908 kg/m

Depth of Section - A

18.59 inches472.186 mm

Flange Width - B

11.145 inches283.083 mm

Average Flange Thickness - C

0.870 inches22.098 mm

Web Thickness - D

0.535 inches13.589 mm

Weight per 40 ft. Length

3880 lbs1757.64 kg

Weight per 50 ft. Length

4850 lbs2197.05 kg

Weight per 60 ft. Length

5820 lbs2636.46 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