ASTM A615/A615M-16 pdf free.Standard Specification for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement. ASTM A615/A615M covers deformed and plain carbon-steel bars in cut lengths and coils for concrete reinforcement. Steel bars containing alloy additions, such as with the Association for Iron and Steel Technology and the Society of Automotive Engineers series of alloy steels, are permitted if the resulting...