Crane Ropes

Union Marathon

Long-lasting crane rope designed for mobile and crawler crane main hoist applications. Features a high-strength core with Lang lay construction for optimized fatigue life in cyclic operations.

Construction
Lang lay, high-strength core
Diameter Range
16–48 mm
Min. Breaking Force
145–1,680 kN
Standard
EN 12385-4, API 9A, ASME B30.5
Core
Steel wire rope core (IWRC)

Technical Specifications

Dimensions & Weight

  • Lang Lay Construction — Outer wires aligned with rope axis for maximum abrasion resistance on drums and sheaves
  • High Fill Factor — Compacted outer strands maximize metallic area for superior breaking strength per diameter
  • Multi-Layer Spooling — Consistent diameter and crush resistance for reliable multi-layer drum winding under side loads
  • Versatile Application Range — Suitable for lattice boom crawlers, telescopic mobile cranes, and tower cranes

Standards & Compliance

Construction

6×K36WS compacted strand, IWRC

Breaking Strength

1,770 N/mm² to 1,960 N/mm² tensile grade

Diameter Range

16 mm – 52 mm

Core

Independent wire rope core (IWRC)

Finish

Bright or galvanized

Lay Direction

Right-hand lang lay (zZ) or regular lay (sZ)

Applications

Industries and operations where this product is used.

Produkte zum Heben

Raupen- und Mobilkrane

Raupen- und Mobilkrane erfordern Hubseile, die eine maximale Lebensdauer, Bruchfestigkeit und Wickelbeständigkeit unter zyklischer Belastung bieten. Die Marken CASAR und Union von WireCo beliefern die weltweit führenden Kranhersteller und Betreiber mit Seilen, die für die spezifischen Betriebszyklen von Mobil-, Raupen-, Turm- und Offshore-Kranen entwickelt wurden.

Learn More

Documentation

Union Wire Rope Catalog

Catalog
Download

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Union Marathon

is manufactured by

Union

, a WireCo brand.

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