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] |
8199;8199;8199;8199;8199;8199;36 [250] | 36 [250] 8199;8199;8199; |
8199;8199;8199;8199;8199;8199;50 [345] | 50 [345] 8199;8199;8199; |
8199;8199;8199;8199;8199;8199;50S [345S] | 50 [345] 8199;8199;8199; |
8199;8199;8199;8199;8199;8199;50W [345W] | 50 [345] 8199;8199;8199; |
8199;8199;8199;8199;8199;8199;HPS 50W [HPS 345W] | 50 [345] 8199;8199;8199; |
8199;8199;8199;8199;8199;8199;HPS 70W [HPS 485W] | 70 [485] 8199;8199;8199; |
8199;8199;8199;8199;8199;8199;HPS 100W [HPS 690W] | 100 [690] 8199;8199;8199; |
1.1.1 Grades 36 [250], 50 [345], 50S [345S], and 50W [345W] are also included in Specifications A36/A36M, A572/A572M, A992/A992M, and A588/A588M, respectively.
ASTM A709/A709M-13 history
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