Amber Books - Rebar Tensile Strength
States in your book that rebar with Grade 60 has 60,000 PSI of tensile strength but other sources say it is 90,000 psi. Yield strength is 60,000 psi but this is different than tensile strength. Could someone please verify? Thanks.
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1. The "60" in "Grade 60 rebar" refers to the minimum yield strength, which is 60,000 pounds per square inch (PSI).
2. The minimum tensile strength for Grade 60 rebar is typically specified as 90,000 PSI.
3. Yield = permanent deformation (plastic). Tensile strength = breaking point. Elastic = recoverable deformation.
Relationship formula: Yield Stress = (Factor) x Tensile Stress, where factor = 0.65 - 0.9 depending on the material.
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