How to choose the right steel wire rope
For locations where wire ropes are prone to wear and thinning to the point of being unusable, or where breakage is likely due to wear, selecting wire ropes with thicker outer wires is very effective. In addition, non-standard wire ropes such as SUN-ROPE are more suitable than ordinary wire ropes.
Release Time:
2025-07-02
a. For applications where wire ropes are prone to wear and thinning, rendering them unusable, or where breakage due to wear is common, selecting wire ropes with thicker outer wires is highly effective. Additionally, shaped strand wire ropes like SUN-ROPE are more suitable than standard wire ropes.
b. For applications where wire rope breakage occurs due to fatigue, wire ropes with line contact lay such as 6*WS36, 6*FI29, and 6*FI25 are far more effective than flat wire ropes like 6*19, 6*24, and 6*37. A smaller wire diameter relative to the drum and sheave diameter results in a longer lifespan; however, this applies only to wire ropes of the same construction. Different constructions cannot be compared in this way.
c. In applications where internal damage is likely due to sand, rain, or pit water, line contact lay wire ropes such as 6*S19 and 6*WS26 are superior to point contact lay wire ropes such as 6*19, 6*24, and 6*37. Surface contact wire ropes like SUN-ROPE and SUNWARRINGTONSEALE are even better.
d. For applications prone to rust due to seawater, pit water, or gases, or where rust from long-term exposure to wind and sea air affects the lifespan (such as in nets), galvanized wire ropes are preferable. Type A and Type B galvanized wire ropes can also be used. Generally, in coastal areas and on ships where seawater immersion is unlikely, galvanized wire ropes are often chosen for corrosion prevention. In areas exposed to seawater immersion or splashing, galvanized wire ropes are necessary. However, in areas not exposed to seawater, they are not always required, especially for applications with a lifespan of 2-3 months, where ungalvanized wire ropes might be advantageous. Therefore, galvanization is unnecessary for high-frequency applications with short lifespans. In severely corrosive environments, stainless steel wire ropes or wire ropes coated with synthetic resin can be used.
e. In applications where the wire rope is subjected to strong pressure, becoming flattened, or where the fiber core may be damaged by high temperatures, please select IWRC or IWSC. For static applications, use IWSC; for dynamic applications, unless a thin wire rope is required, use IWRC. Parallel lay ropes are more prone to self-rotation than opposite lay ropes. While this can cause deformation if not handled carefully, their superior resistance to bending fatigue and reduced damage from lateral compression and abrasion makes them preferable, provided equipment deformation is not a concern.
f. In applications where self-rotation of the wire rope could cause accidents, please use SINGLE-ROPE or NAFLEX-ROPE.
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2025-07-02
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