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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 8 1/4 inches

Working Decimal Equivalent

 N/A 21.000 x 8.250 inches533.4 x 209.55 mm

Weight lbs/ft

 N/A 83 lbs/ft123.517612 kg/m

Depth of Section - A

 N/A 21.43 inches544.322 mm

Flange Width - B

 N/A 8.355 inches212.217 mm

Average Flange Thickness - C

 N/A 0.835 inches21.209 mm

Web Thickness - D

 N/A 0.515 inches13.081 mm

Weight per 40 ft. Length

 N/A 3320 lbs1503.96 kg

Weight per 50 ft. Length

 N/A 4150 lbs1879.95 kg

Weight per 60 ft. Length

 N/A 4980 lbs2255.94 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