ISO 11891:2012

Status : Published (Under review)

This standard was last reviewed and confirmed in 2023. Therefore this version remains current.

	Format	Language
std 1 63	PDF
std 2 63	Paper

Convert Swiss francs (CHF) to your currency

Abstract

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.

Preview this standard in our Online Browsing Platform (OBP)

Check out our FAQs

Customer care

+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)