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.

Conforms to A-36 and A-36 Modified.
Standard lengths 20'
Unit of Measure

Specifications

Material

Steel

Shapeform

Bar Channels

Size

1 1/4 x 7/16 x 3/16 inches

Working Decimal Equivalent

1.250 x 0.4375 x 0.1875 inches31.75 x 11.1125 x 4.7625 mm

Size - A

1 1/4 inches

Size - B

7/16 inches

Size - C

3/16 inches

Estimated Weight

1.16 lbs/ft1.726312 kg/m

Estimated Weight per 20 ft. Length

23.2 lbs10.5096 kg

Standard Length

20 ft

Typical Mechanical Properties

Tensile Strength

56000 to 80000 psi

Min. Yield Strength

36000 psi

Max. Carbon Content

0.26

ASTM Specification

ASTM A-36