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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 93 lbs/ft138.399252 kg/m

Depth of Section - A

N/A 21.62 inches549.148 mm

Flange Width - B

N/A 8.420 inches213.868 mm

Average Flange Thickness - C

N/A 0.930 inches23.622 mm

Web Thickness - D

N/A 0.580 inches14.732 mm

Weight per 40 ft. Length

N/A 3720 lbs1685.16 kg

Weight per 50 ft. Length

N/A 4650 lbs2106.45 kg

Weight per 60 ft. Length

N/A 5580 lbs2527.74 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