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
Standard lengths 40' and 60'
Unit of Measure

Specifications

Material

Steel

Shapeform

I Beams

Depth - A

18.00 inches457.2 mm

Weight

70.0 lbs/ft104.17148 kg/m

Flange Width - B

6.251 inches158.7754 mm

Web Thickness - C

0.711 inches18.0594 mm

Weight per 40 ft. Length

2800 lbs1268.4 kg

Weight per 60 ft. Length

4200 lbs1902.6 kg

Standard Length

40 ft60 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