Steel Wire Rope Manufacturer (Galvanized & Ungalvanized)
Direct China manufacturer producing high-tensile steel wire ropes (1770 N/mmu00b2 to 2160 N/mmu00b2, diameters 2.0mm to 76.0mm / 1/16″ to 3″). Supplying 6×19, 6x36WS, 8x19S, 18×7, 19×7, and 35Wx7 Compacted Rotation-Resistant Ropes with Fiber Core (FC) and Independent Wire Rope Core (IWRC) for tower cranes, port gantry cranes, oilfield drilling lines (API 9A), mining hoists, and elevator traction.
1. Steel Wire Rope Construction Matrix & Technical Parameters
| Rope Construction | Core Type | Diameter Range | Tensile Grades | Primary Industrial Applications |
|---|---|---|---|---|
| 6×19 (6x19S, 6x19W, 6x25Fi) | FC / IWRC | 6.0 mm u2013 48.0 mm | 1770 / 1960 / 2160 N/mmu00b2 | General hoisting, engineering rigging, winch lines, drilling lines, marine cargo handling |
| 6×36 (6x36WS, 6×37, 6x41WS) | IWRC / FC | 10.0 mm u2013 76.0 mm | 1770 / 1960 / 2160 N/mmu00b2 | High-flexibility overhead cranes, container gantry cranes, offshore oilfield winches, heavy dredging |
| 18×7, 19×7, 35Wx7 (Rotation Resistant) | WSC / Compacted | 8.0 mm u2013 42.0 mm | 1960 / 2160 N/mmu00b2 | Tower cranes (main hoist), mobile hydraulic cranes, unguided deep shaft mining, unguided single-line lifting |
| 8x19S / 8x25Fi (Elevator Traction) | Sisal FC / IWRC | 6.0 mm u2013 16.0 mm | Dual Tensile 1370/1770 N/mmu00b2 | Passenger & freight elevator traction ropes, governor ropes, compensating cables (ISO 4344) |
| 6×7, 1×7, 1×19 (Guy & Stay Strand) | FC / WSC | 2.0 mm u2013 22.0 mm | 1570 / 1770 N/mmu00b2 | Telecom tower guy wires, electrical transmission pole stays, conveyor belt guide ropes, suspension bridge hangars |
| Stainless Steel (AISI 304 / 316) | WSC / 7×7 / 7×19 | 1.0 mm u2013 28.0 mm | 1570 N/mmu00b2 | Marine yacht rigging, coastal architectural balustrades, food & chemical processing, offshore subsea sensors |
2. Core Construction, Lubrication & Anti-Corrosion Technologies
u26d3ufe0f Core Comparison (FC vs. IWRC)
- Fiber Core (FC – Natural Sisal or Synthetic Polypropylene): Provides superior elasticity, absorbs shock loads, and acts as an internal lubricant reservoir for high-speed sheaves.
- Independent Wire Rope Core (IWRC – Full Steel): Increases metallic cross-sectional area by 7.5%, providing 10u201312% higher breaking load, extreme resistance to drum crushing, and heat resistance up to 400u00b0C.
ud83dudee1ufe0f Surface Finish & Grease Protection
- Hot-Dip Galvanized (HDG Class A/B per EN 10264-2): Heavy zinc coating (120u2013290 g/mu00b2) providing 20+ years atmospheric and marine corrosion protection.
- Bright (Ungalvanized) with Nyrosten / Elaskon Grease: High-penetration anti-wear wire rope compound for heavy mining and high-friction crane sheaves.
- Compacted Strands: Swaged smooth outer profile maximizing contact surface with winch drums and sheaves, reducing wire nicking by 40%.
3. Target Heavy Industries & Turnkey Supply
ud83cudfd7ufe0f Cranes & Construction
Tower cranes, crawler cranes, mobile cranes, and piling rigs (6x36WS+IWRC & 35Wx7 non-rotating).
ud83dudee2ufe0f Oilfield & Marine
API Spec 9A rotary drilling lines, sand lines, winch lines, offshore mooring cables, and anchor lines.
u26cfufe0f Mining & Excavation
Shaft hoisting ropes, dragline shovel hoist ropes, blast furnace skip hoists, and aerial ropeways.
ud83duded7 Elevator & Infrastructure
High-speed passenger elevator traction cables, cable car transit systems, and bridge suspension cables.
4. Export Packaging & Global Container Logistics
All wire ropes are wound under continuous tension on reinforced wooden drums, plywood reels, or heavy-duty steel spools (500m, 1000m, 2000m, or continuous lengths up to 5000m).
- Full protective cladding with waterproof poly-woven fabric and multi-layer wooden lagging battens to prevent transport abrasion.
- Fumigated wooden reels conforming to ISPM 15 standards with steel hub bushings for smooth axle payout on site.
- Loaded securely in 20GP or 40HQ containers with steel strapping and timber chocks; 20GP payload: 20u201326 metric tons.
Frequently Asked Questions (FAQ) – Steel Wire Rope Supply
Q1: How do I choose between 6×19 and 6×36 wire rope construction?
6×19 construction uses thicker outer wires, offering superior abrasion and wear resistanceu2014ideal for scraping applications, logging, and general rigging. 6×36 construction contains more and finer wires, offering superior fatigue flexibility and bendabilityu2014ideal for high-cycle crane sheaves, winches, and overhead hoist drums.
Q2: What is the difference between non-rotating (18×7/19×7/35Wx7) and standard 6-strand wire ropes?
Standard 6-strand ropes generate torsional torque under load, causing unguided loads to spin. Rotation-resistant ropes (such as 18×7, 19×7, and 35Wx7) feature outer strands laid in the opposite direction to the inner core strands, balancing rotational forces to keep unguided crane hooks stable during high lifts.
Q3: What certifications and test reports accompany each wire rope shipment?
Every order is delivered with a comprehensive Mill Test Certificate (MTC per EN 10204 3.1) stating exact wire tensile strength, individual wire torsion/wrap test results, actual breaking load test results, zinc coating weight, and lubrication type. Third-party testing by SGS, BV, ABS, or Lloyd’s Register is available.
Q4: What is the Minimum Order Quantity (MOQ) and delivery lead time?
For common sizes (6.0mm to 32.0mm in 6×19, 6×36, 18×7), our MOQ is 1 wooden drum (approx. 500m to 1000m) or 1 ton. For full container orders (1x20GP, approx. 20u201325 tons), we offer mixed sizes and custom drum reel lengths. Production lead time is typically 15 to 25 days.
Request Direct Factory Price for Steel Wire Ropes
Send your required rope construction, diameter, tensile grade, core type, and reel length. Our rigging sales engineers will provide an official CIF / FOB quotation and breaking load data sheet within 12 hours.