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https://store.astm.org/a0722_a0722m-07.html A722/A722M Standard Specification for Uncoated High-Strength Steel Bars for Prestressing Concrete high strength steel standard specification https://www.astm.org/membership-participation/technical-committees/workitems/workitem-wk97648 WK97648 - Revision of A722/A722M-18 Standard Specification for High-Strength Steel Bars for... ASTM International - Standards Worldwide https://www.astm.org/membership-participation/technical-committees/workitems/workitem-wk97291 WK97291 - Revision of A722/A722M-18 Standard Specification for High-Strength Steel Bars for... ASTM International - Standards Worldwide