This standard specifies the dimensions and parameters of the cylindrical coiled compression spring with the coils at the both ends closely grinded or manufactured flat in the structure form of ordinary cylindrical coiled compression spring.
This standard is applicable to ordinary cold or hot coiled circular section cylindrical coiled compression spring (hereinafter referred to as spring) subjected to static load and dynamic load with the cycle times N≤105. The diameter of the spring material is 0.5 mm~60 mm.