What is m31 steel?

What is m31 steel? Description / Abstract: AASHTO M 31M/M 31, 2021 Edition, 2021 – Standard Specification for Deformed and Plain Carbon and Low-Alloy Steel Bars for Concrete Reinforcement. This specification covers deformed and plain carbon and low-alloy steel concrete reinforcement bars in cut lengths or coils. What is the Read more…