This standard specifies the technical requirements, inspection rules, packaging, transportation and storage of spiral compression and tension springs such as load, dimensional limit deviation, accuracy level and stability treatment. This standard is applicable to cylindrical spiral compression and tension springs made of cold-drawn steel wire with round cross-section G1.
HB 6767-1993 history
1994HB 6767-1993 Specifications for cylindrical helical compression and tension springs made of piano steel wire