11 Questions
What are the minimum yield strength levels for bars?
40,000 psi (280 MPa), 60,000 psi (420 MPa), 75,000 psi (520 MPa), and 80,000 psi (550 MPa)
What are the grade designations for the minimum yield strength levels?
Grade 40, Grade 60, Grade 75, and Grade 80
What size range of plain bars can be ordered under this specification?
Up to and including 2.5 inches (63.5 mm) in diameter
What form can the plain bars be ordered in?
Coils or cut lengths
For plain bars, which properties are not applicable?
Deformations and marking
What method is used to determine the yield strength when the steel does not have a well-defined yield point?
The offset method (0.2% offset)
What is the minimum stress corresponding to a tensile strain of 0.0035 for Grade 60 steel?
60,000 psi [420 MPa]
What is the purpose of the second tensile test result mentioned in the text?
To confirm the material conforms to the additional requirement
What is the minimum stress corresponding to a tensile strain of 0.0035 for Grade 80 steel?
80,000 psi [550 MPa]
What is the purpose of determining the yield point or yield strength?
To ensure the material conforms to the requirements for tensile properties
What is the method used to determine the yield point when the steel has a sharp-kneed or well-defined type of yield point?
The drop or halt of the gage of the tensile testing machine
Learn about the different minimum yield strength levels of steel bars including Grade 40, Grade 60, Grade 75, and Grade 80. Understand the specifications for plain bars in various sizes and diameters according to these grades.
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