Material: Galvanised, ungalvanised or stainless steel, etc.
Applications: Elevator, crane lifting, hanging basket
Steel Wire Rope is used across a wide spectrum of industries for many applications. A steel wire rope is made up of steel wires that are twisted to form strands. The strands are in turn twisted to form steel wire ropes of different sizes, depending on the desired strength of the steel wire rope. Steel wire ropes are consumables which may be discarded when worn out. Steel wire ropes are used in mooring, towing and lifting systems.
Specification of Steel Wire Rope:
Wire rope is made of plaiting strands of wire – normally medium carbon steel – into a thick cable. The strands are formed around a core. The strands in wire ropes are made of wore twisted together. Strands with smaller diameter wires are less abrasion resistant and more fatigue resistant. Strands made with thicker length of wore are more abrasion resistant and less fatigue resistant.
1) Sizes: From 3mm to 80mm
2) Material of Steel Wire Rope: Galvanized and ungalvanized or stainless steel, etc.
3) Core: IWRC, FC and WSC
4) Tensile Strengths: 1960 N/mm2 (EIPS) and 2160 N/mm2 (EEIPS)
5) Wire Rope range:
- 9×19S+IWR, 9×19W+IWR, 9×21Fi+ IWR, 9×19S+9×7+Fc,
- 9×19W+9×7+Fc, 9×21Fi+9×7+Fc,
- 8×19S+Fc, 8×19W+Fc, 8×25Fi+Fc,
- IWRC 6×Fi(29), IWRC 6×WS(31), IWRC 6×WS(36),
- 34×7+Fc, 34×7+IWS, 36×7+Fc, 36×7+IWS,
- 17×7+Fc, 17×7+IWS, 18×7+Fc, 18×7+IWS, 18×19+Fc, 18×19+IWS,
- 18×19S+Fc, 18×19S+IWS, 18×19W+Fc, 18×19W+IWS, etc.
Different Cross-sectional Views of Special Wire Ropes:
Packaging of Steel Wire Rope
Shangahi Metal Products are packed and labeled according to the regulations and customer's requests. Great care is taken to avoid any damage which might be caused during storage or transportation. In addition, clear labels are tagged on the outside of the packages for easy identification of the product I. D. and quality information.
1) Shanghai Metal Standard
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Steel wire ropes are one of the best choices for elevator applications owing to its two main features, redundancy and detectability.
Redundancy is very important for safety-relevant applications. If one of individual elements is broken, other elements will take on its function and remain in operation taking advantages of interaction between wires.
Detectability means the capacity to determine the end of service life and the degree of bending fatigue of running wires. As fatigue increase, more external wire breaks so that it is possible to estimate by visible inspection before the condition becoming dangerous.
Normally, elevator wire ropes feature parallel strand construction for reducing incidence of abrasion compared with ropes with cross laid construction. Meanwhile, they have a high fatigue bending life and less wear to running sheaves.
Depending on the intended needs, two different core types are available: fiber core (FC) and independent wire rope core (IWRC).
Fiber core, made of natural or synthetic fibers, is widely used in ropes and makes elevator ropes easier to adjust up to the relevant groove shape. Meanwhile, fiber core provides excellent resistance against contact pressure and long-term support for elevator wire ropes.
Independent wire rope core effectively increases the metallic cross-section of elevator wire ropes and reduce tensile stress in individual wires. Meanwhile, steel cores low the elongation of elevator wire ropes under same loads compared with fiber core.
Eight strands IWRC style:
Rounder cross section than six strands ropes.
Suitable for grooves with a large undercut.
Little or no permanent and elastic elongation.
More flexible structure offers better fatigue bending property.
Ideal for heavy-duty elevators.
Nine strands IWRC style:
Offer an extremely round cross section
Low contact pressure between rope and groove.
Minimal permanent and elastic elongation.
Much thinner wires offer better fatigue bending property.
Ideal for all elevators with large shaft height.
Suitable for traction drive elevators with a larger number of deflection sheaves.
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