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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

86 lbs/ft127.982104 kg/m

Depth of Section - A

18.39 inches467.106 mm

Flange Width - B

11.090 inches281.686 mm

Average Flange Thickness - C

0.770 inches19.558 mm

Web Thickness - D

0.480 inches12.192 mm

Weight per 40 ft. Length

3440 lbs1558.32 kg

Weight per 50 ft. Length

4300 lbs1947.9 kg

Weight per 60 ft. Length

5160 lbs2337.48 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