Patented Steel Wire for Redrawing and Wire-Rope Manufacturing
- Intermediate feedstock: prepared by controlled heat treatment (patenting) and drawing so you can redraw it to a smaller diameter and higher final strength
- Grade selected for your redrawing reduction and final-strength target — not sold as the highest tensile number
- Phosphate, bright or galvanized redrawing finish to order (lubricant-carrier surface for drawing)
- Diameter and tensile uniformity controlled across large coils
- Diameter 1.6–8.0 mm; ~950–1300 MPa (phosphate/bright) or galvanized grades with 200–300 g/m² zinc
Made to order to your diameter, coating, tensile grade and standard — request a quote for price, minimum order quantity and lead time.
Specifications
| Model NO. | ZB-PATENT-REDRAW |
| Technique | Patenting / controlled heat treatment, surface preparation, cold drawing and phosphate coating; galvanized option where verified |
| Application | Redrawing into rope wire, spring wire, flat wire, optical-cable reinforcement or other high-strength products |
| Alloy or Not | Non-alloy steel unless the approved order states otherwise |
| Standard | Customer redrawing specification; applicable high-carbon wire/rope-wire standards after review |
| Surface Treatment | Phosphate-coated, bright or galvanized redrawing finish to order |
| Dimensions Tolerance | ±0.02 mm (1.6–1.8 mm), ±0.03 mm (>1.8–8.0 mm); coil-to-coil tensile uniformity to spec |
| Delivery Time | Quoted after diameter, mechanical properties, coating, packing, quantity and destination are confirmed |
| Material | Carbon steel; grade and heat-treatment route selected for the redrawing target |
| Specification | 1.6–8.0 mm round wire |
| Available | OEM / ODM / manufacture to drawing, subject to technical review |
| Transport Package | Large coils, carriers or reels suitable for continuous redrawing |
| Trademark | Zhongbo Steel |
| Origin | Xinzheng, Henan, China |
| HS Code | Confirmed by material, finish, cross-section and destination |
| Production Capacity | Confirmed with the quotation |
Phosphate / bright redrawing tensile by diameter
| Diameter | Tensile range |
|---|---|
| 1.8 mm | 1000–1150 MPa |
| 2.0 mm | 980–1250 MPa |
| 2.5 mm | 1175–1225 MPa |
| 3.0 mm | 1180–1300 MPa |
| 3.5 mm | 950–1150 MPa |
| 4.2 mm | 1050–1250 MPa |
| 5.5 mm | 950–1250 MPa |
Galvanized redrawing grades
| Diameter | Tensile range | Min. zinc coating |
|---|---|---|
| 2.0 mm | 950–1100 MPa | 200 g/m² |
| 2.2 mm | 980–1080 MPa | 220 g/m² |
| 2.5 mm | 1050–1100 MPa | 250 g/m² |
| 2.7 mm | 1170–1250 MPa | 280 g/m² |
| 3.2 mm | 1090–1190 MPa | 300 g/m² |
Tensile Strength
Redrawing customers need a narrow, repeatable tensile window and a suitable microstructure — not simply the highest value. Confirmed feedstock runs about 950–1300 MPa by diameter (phosphate/bright) or 950–1250 MPa with 200–300 g/m² zinc for galvanized redrawing grades (see the tables above). We publish pearlite/microstructure, decarburization and drawing-performance data where we can test them, and ask for your target final diameter and reduction so the intermediate condition matches your line.
Features
- Controlled heat-treatment condition for subsequent redrawing
- Phosphate or approved surface preparation for lubricant retention
- Diameter and tensile uniformity across large coils
- Grade selection matched to final-strength targets
- Large continuous coil formats for drawing-machine productivity
- Heat/batch traceability and qualification samples
Packaging & Shipping
Redrawing feedstock is supplied in large coils/carriers compatible with your pay-off. We state coil ID/OD/height, net weight, winding pattern, the number and location of wire joins, rust protection and lifting method.
- Large catch-weight or carrier coils
- Steel reels where required
- Coils protected with barrier film and pallet/skid
- Customer-specific pay-off carriers
Use cases
- Redrawing into wire-rope wire
- Redrawing into spring or high-strength wire
- Input for flat-wire rolling
- Optical-cable reinforcement or other converted wire products where qualified
Who it is for
High-carbon wire drawers, rope-wire manufacturers, spring-wire producers and specialist converters that control final properties through additional drawing.
Standards, certificates & inspection
Your redrawing specification, target final size and final mechanical class govern; ISO 2232 or EN 10264 may become relevant to the final rope wire, but the intermediate patented feedstock has its own agreed condition. The heat-treatment route is confirmed, not assumed from the “patented” name. Every batch is produced under an ISO 9001 quality management system and can ship with a mill test certificate covering diameter, tensile strength and zinc-coating weight. Third-party or pre-shipment inspection (SGS, BV or customer-appointed) is available on request.
See test reports & inspection and quality control & testing for the full documentation.
Frequently asked questions
What information is needed for redrawing wire?
Starting and final diameter, total reduction, target final tensile class, surface/lubricant system, coil size, line speed and defect limits.
Is phosphate coating available?
We confirm the phosphate type/weight and drawing-lubricant compatibility once the process is set.
Can galvanized feedstock be redrawn?
It may be, for a defined reduction and coating system, but we and you validate coating integrity and final performance.
Are large coils available?
We publish actual coil dimensions and maximum unit weights once handling and pay-off equipment are confirmed.
Request a quote
Send your diameter, coating, standard and quantity, and we’ll reply with a quotation.
Get a QuoteTechnical documents
Download the product catalogue, or contact us for certificates and test reports.
Product catalogue (PDF)You May Also Need
High-Tensile Galvanized Steel Wire for Wire-Rope Manufacturing (0.8–4.0 mm)
- Diameter range: 0.8–4.0 mm
- Individual rope wire — supplied to strand/rope manufacturers, not finished wire rope
- Tensile classes 1770 / 1960 / 2160 MPa, tied to diameter with reverse-bend and torsion acceptance
Galvanized Steel Strand for Cabling, Guying and Reinforcement
- Constructions 1×3 / 1×7 / 1×19 / 1×37; individual wire 1.57–4.0 mm; tensile 1070–1770 MPa
- Nominal strand diameter, lay direction and length defined by an approved strand drawing
- Galvanized Class A / B / C zinc coating, adhesion controlled before and after stranding
Flat Steel Wire for Packing, Stitching and Industrial Use
- Special rectangular section — specified by width × thickness and an approved drawing, never as a diameter
- Controlled edge/corner radius, camber and twist for machine feed and forming
- Mechanical grade selected for forming or stiffness; tensile confirmed after flattening
