Taiwan Provincial Standard of the People's Republic of China
Latest
CNS 7858-1981
Scope
This standard applies to cold-rolled torsion coil springs (hereinafter referred to as springs). Generally, the spring wire diameter is only 12 mm (a few are up to 17 mm) and the operating temperature is –30℃ to +80℃.
CNS 7858-1981 history
1981CNS 7858-1981 Made of Round Wire or Rod Calculation and Design for Helical Torsional Springs