This standard specifies the test methods for the tensile, bending, repeated bending, torsion, winding and coating adhesion, isothermal relaxation, axial force fatigue, stress corrosion in thiocyanate solution, deflection tensile, chemical analysis, measurement of geometric dimensions, determination of relative rib area, determination of nominal mass deviation per meter, detection of anti-corrosion grease content, measurement of sheath thickness, coating uniformity, zinc layer quality and so on, of the steel for prestressing concrete.
State Administration for Market Regulation, China National Standardization Administration
Summary
This standard specifies the tensile, bending, repeated bending, torsion, winding and coating adhesion, isothermal relaxation, axial force fatigue, stress corrosion in thiocyanate solution, deflection tension, chemical Analysis, measurement of geometric dimensions, determination of relative rib area, determination of nominal mass deviation per meter, detection of anti-corrosion grease content, measurement of sheath thickness, coating uniformity, zinc coating quality and other test methods. This standard is applicable to the determination of relevant properties of prestressed steel wires, prestressed steel rods, prestressed steel bars, and prestressed steel strands.
