Steel
Core Steel Wire Rope
Description：
The core of steel wire rope consists of a steel wire strand or an independent steel wire. Compared with natural fiber core steel wire rope, steel core steel wire rope has more wear resistance,more extrusion resistance, softness is relatively low.Because of abrasion resistance and compression resistance, steel core wire rope is generally applicable to hoist or winch.It is suitable for high temperature or multi-layer winding occasions.
Detailed Information：
1. Common structure: Almost all structure.
2. Surface treatment: Oiled, ungalvanized steel wire rope, galvanized steel wire rope, coated steel wire rope, etc. (as requirements)
3. Material: Carbon steel, stainless, etc.
4. Diameter: Customized according to customer needs.
5. Breaking load: Customized according to customer needs.
6. Packaging: Wood disc packaging, ABS shaft packaging, according to customer's specific requirements.
7. Application: Crane, windlass,elevator, etc.
8. Certificate & Standard:
Certificate : ABS,LR,CE,CCS, BV,DNV
Standard : GB8919, GB/T 20067,ISO, ASTM, EN, JIS, etc.
1. Steel core steel wire rope is more resistant to high temperature than fiber core steel wire rope.
2. The breaking force of steel core steel wire rope is larger than that of fiber core steel wire rope.
3. The elastic modulus of steel core steel wire rope is larger than that of fiber core steel wire rope.
4. Steel core steel wire rope is more stable than fiber core steel wire rope’s diameter.
5. Steel core steel wire rope is more resistant to extrusion, wear resistance and longer service life than fiber core steel wire rope.
Comparison of performance characteristics of NFC, SFC, and IWRC elevator rope:
|
Typical cross sections of wire ropes |
|
|
|
|
Type |
NATURAL FIBER CORE
(NFC) |
SYNTHETIC FIBER CORE
(SFC) |
INDEPENDENT WIRE STRAND CORE
(IWS)
|
|
Diameter uniformity |
Poor
Affected by the quality of the fiber core |
About good
Fiber core diameter is relatively uniform |
Very good
|
|
Dimensional stability |
Poor |
About good |
Very good |
|
Structural elongation |
≯0.25% |
≯0.25% |
≯0.15% |
|
Percentage of total elongation |
≯0.50% |
≯0.50% |
≯0.25% |
|
Elasticity modulus |
74700-80400 |
74700-80400 |
82900-98700 |
|
Breaking load |
Relatively small |
Similar to NFC |
Large
More than 25% larger than the same diameter fiber core rope |
|
Fatigue life |
Relatively short steel core |
Relatively short steel core |
Long
Under the same load condition, its fatigue life is 1 times longer than that of fiber core rope |
|
Oil content |
Good oil storage.
Less maintenance |
Poor oil immersion ability, and can not work at too low or too high temperature |
Poor oil immersion ability. Need regular maintenance, fill oil. |
|
Extrusion resistance |
The diameter is easy to deform under extrusion |
About good |
Diameter is not easy to deform, not suitable for V-groove |
|
Anti-wear |
Good |
—— |
Poor |
|
Flexibility |
good |
good |
Poor |
|
Cost |
Relatively cheap cost |
Higher cost |
High cost |
Picture of the steel core steel wire rope:
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