This standard specifies the specimens, test equipment, test conditions and test procedures, and test reports for repeated bending tests of metal wires. This standard is suitable for measuring the repeated bending resistance of metal wires with a diameter or thickness of 0.3 to 10 mm at room temperature (15 to 30°C).
HB 5175-1996 history
1996HB 5175-1996 Metal wire repeated bending test method
1970HB 5175-1981 Metal wire repeated bending test method