Can I use 6x25Fi in highly corrosive environments?

Yes, we offer Hot-Dipped Galvanized 6x25Fi for marine and offshore use. The combination of a thick zinc coating and heavy internal lubrication (A2 grade) provides excellent protection against saltwater and humidity.

6×25fi Fiber Core Steel Wire Rope for Crane Winch and General Engineering

Name: 6×25fi Fiber Core Steel Wire Rope for Crane Winch and General Engineering
Brand: Jiangsu Zhongying Wire Rope Group Co., Ltd.
SKU: 2285193665

Jiangsu, ChinaJiangsu Zhongying Wire Rope Group Co., Ltd.

US$0.50

1,000-5,999 Meters

US$0.40

6,000+ Meters

Sample price:US$2.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Surface

Smooth

Model NO.

WR03-041ZYG625fi+fc

Alloy or Not

Non-Alloy

Application

Rope, Packaging, Netting, Manufacturing, Fencing

Standard

BS, GB, DIN

ODM

Yes

OEM

Yes

Technique

Galvanized

Transport Package

Wooden Reel

Specification

5mm~60mm

Trademark

kingrope

Origin

China

HS Code

73121

Production Capacity

40000ton/Year

Key features

Superior Breaking Strength: 6x25Fi design maximizes steel-to-void ratio for higher breaking strength than standard 6x19 ropes.

Excellent Crush Resistance: IWRC core and filler construction prevent flattening under extreme pressure on multi-layer winch drums.

Extended Equipment Life: Line-contact structure reduces notching effect on sheaves and drums, minimizing wear on rope and machinery.

High Tensile Strength Options: Available in 1470MPa to 1960MPa grades to meet diverse heavy-duty lifting and engineering requirements.

Corrosion Resistant Variants: Hot-dipped galvanized and electro-galvanized options provide excellent protection for marine and offshore use.

Full Customization Support: Customizable diameter, length, tensile strength, surface treatment, lay direction, and packaging to client specs.

Fast After-Sales Response: Professional support within 12 hours and problem resolution within 24-48 hours for all steel wire ropes.

ISO9001 Certified Quality: Strict inspection and ISO9001:2015 certification ensure every rope meets international safety and performance standards.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceIn-stock CapacityR&D Capabilities

Jiangsu Zhongying Wire Rope Group Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 7 Years CertifiedNearest Port: Shang PortAverage Response Time: ≤18h

AI-Powered supplier vetting

SummaryThe supplier is identified as a manufacturing factory in Yangzhou, Gaoyou, focused on high-performance special steel wire rope production and R&D. It holds ISO9001:2015 and CCS certifications, reports OEM service for well-known brands, ODM capability, recent new-product activity, and multiple customization options. Technical engineers support customer-request confirmation, product design, production, and after-sales service. However, R&D audit documentation and an SDK are unavailable. The supplier reports in-stock capability and stated lead times, but lacks overseas warehouses, showrooms, agents or branches, and offline trade-show participation. No valid manufacturing-capacity contract with related subcontractors is reported. Financial, sustainability, and digitalization information is insufficient for a firm assessment.

Supplier typeThe supplier is explicitly classified as a factory in the manufacturing industry and is described as focusing on production and R&D of high-performance special steel wire rope. This supports a direct-manufacturer profile rather than a trading-only supplier.

CertificationsThe company states that it has passed ISO9001:2015 quality system certification and CCS China Classification Society certification, with product quality controlled within the enterprise. These are explicit certification credentials relevant to manufacturing quality and classification compliance.

After-Sales capabilityTechnology engineers are responsible for providing technical support for production and after-sales service. However, the supplier has no overseas warehouse, showroom, agent, or branch, so the evidence supports technical after-sales assistance but not broad overseas service infrastructure.

R&D capabilityThe supplier reports new products during the past year, ODM services, multiple R&D-related customization modes, and engineers responsible for new-product design and technical support. Nevertheless, no R&D audit documentation is available and no SDK is available, so the evidence demonstrates product-development activity but not fully documented or SDK-based innovation capability.

Production capacityThe supplier is a manufacturing factory with stated production and R&D focus, in-stock capability, documented procedures and records for service-capability assessment, stated peak-season lead time of one month and off-season lead time within 15 workdays, and facilities including a drawing machine, stranding production line, and rope-closing machine. However, no valid contract exists with related subcontractors, which creates a documented weakness in subcontracted manufacturing capacity governance.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, minor customization, and full customization. Its technology engineers also confirm customer requests and design new products, providing direct support for customized development.

Client casesThe supplier explicitly states that it provides OEM services for well-known brands, which is evidence of at least one category of customer experience. No customer names, project details, volumes, or performance records are provided, so the breadth and verifiability of its customer cases remain limited.

Product Q&A

Q:What is the difference between 6x19 and 6x25 Filler (6x25Fi)?

While both belong to the 6x19 class, the 6x25Fi is an upgraded 'line-contact' rope. It adds thinner filler wires between the inner and outer layers. This provides a larger metallic cross-sectional area, meaning 6x25Fi has higher breaking strength and much better fatigue resistance than standard 6x19.

Q:Why is 6x25Fi recommended for multi-layer spooling on winch drums?

Because of its Filler construction and the use of an IWRC (Independent Wire Rope Core), this rope has excellent crush resistance. It maintains its circular shape even under extreme pressure when wound in multiple layers on a drum, preventing the rope from flattening or deforming.

Q:Does the 6x25Fi construction extend the service life of sheaves and drums?

Yes. The 6x25Fi provides a smoother outer surface contact compared to point-contact ropes. This reduces the 'notching' effect on your equipment's sheaves and drums, leading to less wear and tear on both the rope and the machine components.

Q:Should I choose a Fiber Core (FC) or a Steel Core (IWRC) for 6x25Fi?

For most heavy lifting and crane applications, IWRC (Steel Core) is the best choice for its high strength and stability. If you need maximum flexibility and internal lubrication for less intense industrial pulling, FC (Fiber Core) is a more economical option.

Q:What is the benefit of 'Line Contact' in 6x25Fi?

In a line-contact rope, the wires in different layers support each other along their entire length rather than at specific points. This significantly reduces internal friction and stress, which is why 6x25Fi lasts much longer under frequent bending than older point-contact designs.