When the conductor has a nominal diameter of 0.080 mm and above and 1.600 mm or less, the maximum rebound angle of the enameled wire shall not exceed the value specified when tested on a specified round bar with a specified load.
The maximum rebound angle of the enameled wire with a nominal conductor diameter of 1.600 mm or more shall not exceed 5 °.

The paint layer with a nominal diameter of 1.600 mm and below shall not crack. The diameter of the round bar should meet the requirements . The minimum hot stamping temperature is found in the relevant product standard.
After the conductor has a nominal diameter of 1.600 mm and a stretch of 25%, the paint layer should not crack. The minimum hot stamping temperature is found in the relevant product standard.