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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 12 x 4 inches

Working Decimal Equivalent

 N/A 12.000 x 4.000 inches304.8 x 101.6 mm

Weight lbs/ft

 N/A 22.0 lbs/ft32.739608 kg/m

Depth of Section - A

 N/A 12.31 inches312.674 mm

Flange Width - B

 N/A 4.030 inches102.362 mm

Average Flange Thickness - C

 N/A 0.424 inches10.7696 mm

Web Thickness - D

 N/A 0.260 inches6.604 mm

Weight per 40 ft. Length

 N/A 880 lbs398.64 kg

Weight per 50 ft. Length

 N/A 1100 lbs498.3 kg

Weight per 60 ft. Length

 N/A 1320 lbs597.96 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