AMS Resource, Inc. - Alloy, Metal & Steel Supplier

A-709 Structural Steel for Bridges

Description

This specification covers carbon and high-strength low alloy steel structural shapes, plates and bars, and quenched and tempered alloy steel for structural plates intended for use in bridges. Heat analysis shall be used to determine the percentage of carbon, manganese, phosphorus, sulfur, silicon, and copper for the required chemical composition. A tension test shall be used to determine the required tensile properties such as tensile strength, yield strength, and elongation. Materials shall undergo: (1) an impact test for non-fracture critical and fracture critical members; and (2) a Brinell hardness test for Grades 100 and 100W. Atmospheric corrosion resistance shall also be determined.

Applications

Structural Steel for Bridges

Specifications

A-709 Structural Steel for Bridges

Grade 36 : 36 Yield strength, semi-killed or killed
Grade 50 : 50 Yield strength, semi-killed or killed
Grade 50S : 50 Yield strength, killed
Grade 50W : 50 Yield strength, fine grain
Grade HPS 50W : 50 Yield strength, quenched & tempered
Grade HPS 70W : 70 Yield strength, quenched & tempered
Grade 100 : 100 Yield strength, fine grain
Grade 100W : 100 Yield strength, fine grain
Grade HPS 100W : 100 Yield strength, quenched & tempered, fine grain

Available Forms

  • Angles
  • Bar
  • Beams
  • Channels
  • Plate
  • Rectangle Bar