Usha Martin / 8 mm & 10 mm
Auxiliary Hoist Ropes
Two documented 19×7 non-compacted constructions for your auxiliary-hoist inquiry. Compare the supplied manufacturer data sheets and request the required diameter.
19×7 / WSC cushion core
Two diameters. A clear specification.
Both supplied sheets document RHLL lay, grade 1960, drawn galvanized wire (Class B), and petroleum-based A1 light lubrication. The manufacturer’s documented application is Crane Rope, with specification EN12385-4.
Confirm compatibility with the intended winch or hoist, rope path, and end fittings when requesting a quote.
Manufacturer data
8 mm and 10 mm comparison
Usha Martin technical data sheets, Revision 1, dated January 29, 2026. Values retain the manufacturer’s qualifications.
Scroll horizontally to compare both diameters on small screens.
| Specification | 8 mm rope | 10 mm rope |
|---|---|---|
| Nominal diameter | 8 mm | 10 mm |
| Diameter tolerance | 0 to +5% | 0 to +5% |
| Construction | 19×7 (Non-Compacted) | 19×7 (Non-Compacted) |
| Core | WSC (Cushion Core) | WSC (Cushion Core) |
| Lay direction | RHLL | RHLL |
| Rope grade | 1960 | 1960 |
| Minimum breaking force | 41.1 kN | 64.3 kN |
| Coating on wire | Drawn Galvanized (Class B) | Drawn Galvanized (Class B) |
| Lubrication | Petroleum Based (A1, Light Lubrication) | Petroleum Based (A1, Light Lubrication) |
| Manufacturer application | Crane Rope | Crane Rope |
| Specification | EN12385-4 | EN12385-4 |
| Approximate unit mass | 0.28 kg/m | 0.43 kg/m |
| TDS number | R&D/TDS/2025-26/490 Rev -1 | R&D/TDS/2025-26/491 Rev -1 |
| Sheet date | 29/01/2026 | 29/01/2026 |
Some other attributes of rope/strand may be added on customer demand. The technical data above are estimated values; there may be changes during final design. Minimum breaking force is not a working-load limit.
Original technical sheets
Usha Martin source documents
Unchanged manufacturer PDFs, each one page. Reference enquiry: R&D / ENQ / 2025-26 / R — Revision 1.
Usha Martin Ltd
Wire Ropes & Speciality Products Division
Tatisilwai, Ranchi · Jharkhand 835103 · India
Rope design: Manish Mishra
ushamartin.com ↗