All Categories > Carbon Steel > Structural Steel > Standard "I" Beams > Item # SIB-18000-6251-0711 All CategoriesAll Categories Carbon SteelCarbon Steel Structural SteelStructural Steel Standard I BeamsStandard "I" Beams Item # SIB-18000-6251-0711 Item # SIB-18000-6251-0711, Standard "I" Beams SIB-18000-6251-0711Standard "I" Beams Request Information Email This Page Download PDF Download PDF Printable Page DOWNLOADS Terminology Sheet Close Window 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-36Standard lengths 40' and 60' Unit of Measure Imperial Metric Both Specifications | Typical Mechanical Properties Specifications Material N/A Steel Shapeform N/A I Beams Depth - A N/A 18.00 inches457.2 mm Weight N/A 70.0 lbs/ft104.17148 kg/m Flange Width - B N/A 6.251 inches158.7754 mm Web Thickness - C N/A 0.711 inches18.0594 mm Weight per 40 ft. Length N/A 2800 lbs1268.4 kg Weight per 60 ft. Length N/A 4200 lbs1902.6 kg Standard Length N/A 40 ft60 ft Typical Mechanical Properties Tensile Strength N/A 56000 to 80000 psi Min. Yield Strength N/A 36000 psi Max. Carbon Content N/A 0.26 ASTM Specification N/A ASTM A-36