BH GSO ISO 11891:2016

ISO 11891:2012
Bahraini Standard   Current Edition · Approved on 10 February 2016

Hot formed helical compression springs -- Technical specifications

BH GSO ISO 11891:2016 Files

English 9 Pages
Current Edition Reference Language
29.31 BHD

BH GSO ISO 11891:2016 Scope

This International Standard specifies the materials, shapes, spring characteristics, tolerances, manufacturing requirements and test methods for common helical compression springs, which are made from hot coiled round section steel bar, and then quenched and tempered (hereinafter simply "springs"). The following limit values apply to springs conforming to this International Standard: — free length: ≤ 900 mm; — spring index: 3 to 12; — slenderness ratio: 0,8 to 4; — active coils: ≥ 3; — spring pitch: < 0,5D; — wire diameter: 8 mm to 60 mm; — mean diameter of coil: ≤ 460 mm. This International Standard is not applicable to coil springs with special performance requirements, such as railway and automotive suspensions.

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