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 7 1/2 inches

Working Decimal Equivalent

18.000 x 7.500 inches457.2 x 190.5 mm

Weight lbs/ft

60 lbs/ft89.28984 kg/m

Depth of Section - A

18.25 inches463.55 mm

Flange Width - B

7.558 inches191.9732 mm

Average Flange Thickness - C

0.695 inches17.653 mm

Web Thickness - D

0.416 inches10.5664 mm

Weight per 40 ft. Length

2400 lbs1087.2 kg

Weight per 50 ft. Length

3000 lbs1359 kg

Weight per 60 ft. Length

3600 lbs1630.8 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