A709 is the specification used for steel plate used in the manufacture of bridges. Bebon Steel stocks A709 Grade 36, A709 Grade 50 and A709 Grade 50W. These grades are often specified with Bebon tests referencing the specific zone (or climatic region) in which the bridge will be in use. The Bebon are specified as non-fracture critical which is a per heat test (frequency “H”), or fracture critical which is a per plate test (Frequency “P”). Bridge steels can also be ordered to the ASSHTO M270 Spec referenced as AASHTO M270 Grade 36, AASHTO M270 Grade 50, AASHTO M270 Grade 50W.
Mechanical Properties 709 Gr 36:
Tensile: 58 to 80 ksi
Yield: 36 ksi min
Elongation: 18% min in 8” 21% min in 2”
709 Gr 50 Mechanical Properties :
Tensile: 65 min ksi
Yield: 50 ksi min
Elongation: 16% min in 8” 19% min in 2”
Mechanical Properties 709 Gr 50W:
Tensile: 65 min ksi
Yield: 50 ksi min
Elongation: 16% min in 8” 19% min in 2”
More information about A709 Grade 50W or A709 Grade 50W price, please contact us!
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