Similar International Standards
ISO 4344:2004International Organization for Standardization (ISO), International
HighCurrent
Steel wire ropes for lifts — Minimum requirements
Covers minimum requirements for stranded steel wire ropes used for suspension, compensating and governor duties in lifts.
EN 12385-5:2021European Committee for Standardization (CEN), European
HighCurrent
Steel wire ropes - Safety - Part 5: Stranded ropes for lifts
Specifies requirements for steel wire ropes for traction drive and hydraulic lifts, serving as suspension, compensating and governor ropes.
BS EN 12385-5:2021British Standards Institution (BSI), United Kingdom
HighCurrent
Steel wire ropes. Safety. Stranded ropes for lifts
The UK's implementation of the European standard EN 12385-5, making it technically identical in scope and content.
JIS G 3525:2019Japanese Industrial Standards (JIS), Japan
MediumCurrent
Wire ropes
A general wire rope standard that includes constructions and grades commonly used for lifts, but is not exclusively for lift applications.
Key Differences
≠IS 3534 allows a rope diameter tolerance of 0% to +5% over nominal, while ISO 4344 and EN 12385-5 specify a tighter tolerance of +2% to +5% for ropes of 8mm diameter and above.
≠EN 12385-5 mandates that a detailed 'information for use' manual be supplied with the rope, covering storage, handling, installation, and discard. IS 3534 requirements for user information are less prescriptive, focusing on the test certificate.
≠The designation system in EN 12385-5 is more detailed, encoding information like tensile grade, finish, and lay direction into the standard designation string. The IS 3534 designation is simpler.
≠EN 12385-5 is a harmonized standard under the European Lifts Directive, meaning compliance provides a presumption of conformity with essential safety requirements and requires CE marking. IS 3534 is a national standard linked to BIS certification (ISI mark).
Key Similarities
≈All standards specify very similar, if not identical, ranges of rope constructions for lift applications, such as 6x19 and 8x19, with Seale (S), Warrington (W), or Filler (F) wire arrangements.
≈The specified wire tensile strength grades are largely harmonized, with 1570 N/mm² and 1770 N/mm² being common. Crucially, the dual-tensile grade (e.g., 1370/1770 N/mm²), where outer wires are stronger for wear resistance, is a key feature in both IS 3534 and its European counterparts.
≈All standards recognize and define requirements for the two primary core types: Fibre Core (FC) for flexibility and Independent Wire Rope Core (IWRC) for crush resistance and higher strength.
≈The fundamental test methods for constituent wires (tensile, torsion, reverse bend tests) and for the finished rope (breaking force test) are based on the same metrological principles and align with broader ISO testing standards.
≈Technical constants, such as the minimum breaking force factor 'K' for a given rope construction, are identical across the standards, indicating a shared engineering basis. For example, for an 8x19S-FC rope, the factor is 0.355 in both IS 3534 and EN 12385-5.