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ASTM A709/A709M-15
- Standard Specification for Structural Steel for Bridges
- standard by ASTM International, 09/01/2015
- Publisher: ASTM
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1.1 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. Seven grades are available in four yield strength levels as follows:
Grade U.S. [SI] | Yield Strength, ksi [MPa] |
36 [250] | 36 [250] |
50 [345] | 50 [345] |
50S [345S] | 50 [345] |
50W [345W] | 50 [345] |
HPS 50W [HPS 345W] | 50 [345] |
HPS 70W [HPS 485W] | 70 [485] |
HPS 100W [HPS 690W] | 100 [690] |