This standard specifies the correction coefficients, parameter calculations and technical requirements for the compression spring working cycle number N=105, N=106 size series and N=5X104, N=107. This standard is applicable to cylindrical spiral compression springs (including shot peened springs) made of cold-drawn steel wire with circular cross-section made of 1Cr18Ni9, Cr12Mn5Ni4Mo3AlⅠ.
HB 5865-1990 history
1990HB 5865-1990 Stainless Steel Wire Cylindrical Helical Compression Spring
1985HB 5865-1984 Stainless Steel Wire Cylindrical Helical Compression Spring