This standard specifies the method for the determination of the ability of metal wires with a diameter or thickness of 0.3 mm to 10 mm (including 10 mm) to withstand plastic deformation during repeated bending. The diameter or thickness range listed in this standard may have more specific provisions in the relevant product standards.
GB/T 238-2002 history
2013GB/T 238-2013 Metallic materials.Wire.Reverse bend test
2002GB/T 238-2002 Metallic materials-Wire-Reverse bend test
1984GB/T 238-1984 Test method for repeated bending of metallic materials