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 6 inches

Working Decimal Equivalent

18.000 x 6.000 inches457.2 x 152.4 mm

Weight lbs/ft

46 lbs/ft68.455544 kg/m

Depth of Section - A

18.06 inches458.724 mm

Flange Width - B

6.060 inches153.924 mm

Average Flange Thickness - C

0.605 inches15.367 mm

Web Thickness - D

0.360 inches9.144 mm

Weight per 40 ft. Length

1840 lbs833.52 kg

Weight per 50 ft. Length

2300 lbs1041.9 kg

Weight per 60 ft. Length

2760 lbs1250.28 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