Steel Wire Rope
Wire Rope 6X19+IWRC
A 6X19+IWRC steel wire rope with a compact 19-wire strand construction and an independent wire rope core for enhanced flexibility and fatigue resistance. Available in nominal diameters from 3mm to 60mm, with tensile strengths of 1570, 1670, 1770, 1870, and 1960 MPa. Supplied in ungalvanized, galvanized, or stainless steel variants, suitable for lifting, hoisting, and tensioning applications across industrial and marine environments.
- Catalogue Family
- Steel Wire Rope
- Certificates
- EN 10204 3.1 material test certificate on request
CAD files are supplied on request via WhatsApp or email rather than published for open download.
Key Benefits
What Wire Rope 6X19+IWRC Gives You
- 6X19+IWRC construction provides high flexibility and resistance to bending fatigue in dynamic lifting and hoisting operations
- Independent wire rope core (IWRC) increases load capacity and maintains shape under tension compared to fiber cores
- Available in ungalvanized galvanized and stainless steel for corrosion resistance in marine offshore and outdoor environments
- Tensile strength grades from 1570 to 1960 MPa allow selection based on load and safety requirements
- Standard 4:1 design factor applied to all rated working load limits unless otherwise stated
- Clear marking of nominal diameter breaking strength and material grade on the rope surface for traceability
- Consistent performance across long lengths with minimal elongation and stretch under load
Application Scenarios
Where Wire Rope 6X19+IWRC Is Used
- Lifting and hoisting operations in construction and infrastructure projects where rope flexibility and fatigue resistance are critical
- Marine and offshore rigging where exposure to saltwater demands corrosion-resistant materials
- Cranes and hoist systems in steel manufacturing and industrial plants requiring reliable load handling
- Mining and drilling site operations with repeated lifting cycles and high vibration environments
- Port and logistics yard equipment where wire rope is exposed to weather and abrasive handling
- Temporary rigging setups requiring a balance of strength, flexibility, and durability in field conditions
Who It Is For
Buyers This Product Is Built For
- Industrial crane operators specifying wire rope for overhead cranes and hoists
- Marine and offshore contractors sourcing corrosion-resistant rigging for deck and mooring systems
- Construction and infrastructure firms building temporary lifting solutions for heavy components
- Mining and drilling project engineers managing hoisting systems in harsh environments
- Rigging distributors carrying a full range of wire rope types for diverse lifting applications
- Manufacturers of lifting equipment needing consistent, traceable wire rope for assembly
Problems It Solves
Problems This Product Removes
- Wire rope failure due to fatigue from repeated bending in hoist and crane systems
- Premature wear and breakage in ungalvanized rope exposed to moisture and salt spray
- Inconsistent load capacity and stretch in ropes with fiber cores under dynamic loads
- Lack of traceability in rope marking making it hard to verify safety ratings in the field
- Need to source multiple rope types from different suppliers for different environments
- Difficulty in matching tensile strength and diameter to the required working load limit
Technical Features
Technical Features
- 6X19+IWRC construction with 19 wires per strand and an independent wire rope core
- Nominal diameter range from 3mm to 60mm with standard lengths available in coils
- Tensile strength options: 1570, 1670, 1770, 1870, and 1960 MPa
- Available in ungalvanized galvanized and stainless steel variants
- Minimum breaking load values provided for each diameter and strength grade
- Working load limit stamped on the rope surface based on a standard 4:1 design factor
- Material Test Certificate to EN 10204 3.1 supplied with each order
Specifications
Wire Rope 6X19+IWRC Specifications
Values published in the Kailipu catalogue for this item. Anything not listed is available on request.
| Nominal Diameter | 3mm to 60mm |
|---|---|
| Construction | 6X19+IWRC |
| Tensile Strength | 1570, 1670, 1770, 1870, 1960 MPa |
| Core Type | Independent Wire Rope Core (IWRC) |
| Material Options | Ungalvanized Galvanized Stainless Steel |
| Design Factor | 4:1 minimum breaking load to safe working load |
| Working Load Limit | Stamped on rope surface |
Full size table on request. The catalogue publishes a full dimension and capacity table for this item. Ask on WhatsApp or by email and we will send it as a PDF.
Materials
Materials And Finishes
- High-carbon steel wire for tensile strength and wear resistance
- Galvanized steel with zinc coating for corrosion protection in outdoor and marine use
- Stainless steel (AISI 304 or equivalent) for high corrosion resistance in aggressive environments
- Independent wire rope core (IWRC) for improved load support and shape retention
- Surface finish tailored to application: ungalvanized for indoor use, galvanized for outdoor, stainless for marine
Manufacturing Process
How This Product Is Made
1Drawing of high-carbon steel wire to precise diameter tolerances
2Stranding of 19 wires into a single strand using a precision stranding machine
3Assembly of six strands around an IWRC core in a 6X19 configuration
4Tensioning and compacting of the rope to reduce elongation and improve packing density
5Surface treatment: galvanizing or stainless steel plating as ordered
6Proof load testing and marking of working load limit on the rope
7Packing in coils with protective wrapping and labeling for export
Quality Control
Quality Control On Every Batch
- Proof load testing on production batches before release
- Dimensional tolerance check against published diameter and length specifications
- Breaking strength validation to confirm the minimum breaking load values
- Material Test Certificate to EN 10204 3.1 issued with each order
- Visual inspection for surface defects, kinks, and strand misalignment
- Traceability marking verified for legibility and consistency across the length
- Third-party inspection accepted at the Qingdao warehouse before shipment
Customisation
Customisation Options
- Custom length coils cut to order with end fittings or splices
- Custom marking of working load limit and diameter on the rope surface
- Private label and OEM packaging for distributors and brand owners
- Special surface finishes including zinc plating powder coating or electrophoretic black
- Custom tensile strength and diameter combinations built to a drawing
- Packaging configured for pallets cartons or bulk shipping based on buyer needs
Compare
How It Compares With The Alternatives
An honest read on where this pattern wins and where another one would serve you better.
| Alternative | Honest Trade Off |
|---|---|
| 6X19+FC | IWRC provides higher breaking strength and better resistance to crushing and compression than fiber core (FC) ropes |
| 6X36+IWRC | 6X19+IWRC offers greater strength and durability for heavy lifting, while 6X36 is more flexible but less resistant to wear |
| Galvanized rope | Ungalvanized has higher tensile strength but less corrosion resistance; galvanized is better for outdoor and marine use |
| Stainless steel rope | Stainless steel resists corrosion better but has lower tensile strength and higher cost than carbon steel |
| Fiber core rope | IWRC maintains shape under load and supports higher working loads compared to fiber core which can compress and lose integrity |
Use Guide
How To Use And Inspect Wire Rope 6X19+IWRC
- Verify the stamped working load limit matches the calculated load, not the hoist or winch rating
- Inspect the rope for kinks corrosion or broken wires before each use
- Avoid sharp bends or pinch points that can damage the core and reduce rope life
- Use proper sheaves and drums with grooves matching the rope diameter
- Replace the rope if the diameter is reduced by more than 10 percent or if there are visible broken wires
- Store coils in a dry, covered area to prevent moisture exposure and surface damage
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Answers
Wire Rope 6X19+IWRC FAQ
What does 6X19+IWRC mean?
It means six strands of 19 wires each, with an independent wire rope core for improved strength and shape retention under load.
Can I use this rope in marine environments?
Yes. Galvanized or stainless steel versions are available for marine and offshore use, offering corrosion resistance.
What is the design factor for these ropes?
A standard 4:1 design factor is applied, so the minimum breaking load is four times the stated safe working load.
Are Material Test Certificates available?
Yes. A Material Test Certificate to EN 10204 3.1 is supplied with each order on request.
Can you cut the rope to custom length?
Yes. Custom lengths are available, and we can provide end fittings or splices as needed.
How are the ropes packed for export?
Ropes are packed in coils with protective wrapping, palletized, and labeled. We can configure carton and pallet patterns to suit your warehouse or shipping needs.
What tensile strength grades are available?
Available tensile strengths are 1570, 1670, 1770, 1870, and 1960 MPa, depending on the application and environment.
Need A Quote On Wire Rope 6X19+IWRC
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