1 Scope
This Part of GB/T 1239 specifies the technical requirements, test methods, inspection rules and packaging, marking, transportation and storage requirements for the cold coiled helical extension springs of circular section.
This Part is applicable to the cold coiled helical extension springs of circular section (hereinafter referred to as spring) whose sectional diameter is greater than or equal to 0.5mm.
This Part is not applicable to the springs with special requirements.
2 Normative References
The following standards contain provisions which, through reference in this Part of GB/T 1239, constitute provisions of this Part. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies.
