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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

 N/A Steel

Shapeform

 N/A Flange Beams

Nominal Size

 N/A 21 x 6 1/2 inches

Working Decimal Equivalent

 N/A 21.000 x 6.500 inches533.4 x 165.1 mm

Weight lbs/ft

 N/A 44 lbs/ft65.479216 kg/m

Depth of Section - A

 N/A 20.66 inches524.764 mm

Flange Width - B

 N/A 6.500 inches165.1 mm

Average Flange Thickness - C

 N/A 0.451 inches11.4554 mm

Web Thickness - D

 N/A 0.348 inches8.8392 mm

Weight per 40 ft. Length

 N/A 1760 lbs797.28 kg

Weight per 50 ft. Length

 N/A 2200 lbs996.6 kg

Weight per 60 ft. Length

 N/A 2640 lbs1195.92 kg

Standard Length

 N/A 40 ft50 ft60 ft

Typical Mechanical Properties

Tensile Strength

 N/A 56000 to 80000 psi

Min. Yield Strength

 N/A 50000 psi

Max. Carbon Content

 N/A 0.26

ASTM Specification

 N/A ASTM A-36 ASTM A-572