Premium Black Annealed Twisted Wire is a high-quality low-carbon steel wire processed through professional oxygen-free annealing and double twisting technology. Also known as flexible twisted annealed iron wire, it features outstanding softness, excellent ductility, stable tensile strength and a uniform black oxide surface layer.
Unlike ordinary hard iron wire, our black annealed twisted wire can be bent, twisted and tied repeatedly without breaking. The special annealing treatment eliminates internal metal stress, making it the most ideal binding and tying material for construction, agriculture, industrial packaging, wire mesh manufacturing and handicraft production. We supply standard specifications and support customized gauge, coil weight and packaging for global wholesale and project procurement.
Key Features of Premium Black Annealed Twisted Wire
- Superior Flexibility & SoftnessAnnealing treatment makes the wire ultra-soft and easy to twist manually or by machine, saving labor during tying and bundling work.
- Stable Tensile StrengthMade of Q195/Q235 low carbon steel raw material, tensile strength reaches 300–500 N/mm², balancing softness and load-bearing capacity perfectly.
- Uniform Black Annealed SurfaceSmooth slightly oiled black oxide surface provides basic rust resistance, avoiding oxidation during storage and transportation.
- Durable & ReusableGood elongation performance (10%-25%), resistant to repeated bending and not easy to crack or deform.
- Multiple Specifications & CustomizationAvailable in wire diameter 0.8mm–4.0mm, BWG 6–38 gauge; supplied in big coils, small coils, straight cut length and U-type wire as required.
Main Applications
- Construction Industry: Rebar tying, scaffolding fastening, concrete reinforcement binding
- Wire Mesh Production: Raw material for welded mesh, hexagonal mesh and fence mesh weaving
- Agriculture & Horticulture: Vineyard trellis fixing, crop bundling, farm fence binding
- Industrial Packaging: Carton baling, waste material bundling, logistics package fixing
- Handicraft & Decoration: Art weaving, craft modeling, daily decorative wire processing
- General Bundling: Brick, lumber and metal scrap bundling for storage and transport
Standard Technical Specifications
- Material: Q195 / Q235 Low Carbon Steel
- Wire Diameter: 0.8mm – 4.0mm / BWG 16–22 common stock
- Tensile Strength: 300–500 N/mm²
- Surface Treatment: Black annealed, slightly oiled
- Package: Standard export coil, plastic wrap + carton, palletized packing
- Custom Service: OEM size, coil weight, twisting strands and packing design available
What is black annealed twisted wire used for?
It is mainly used for construction rebar tying, wire mesh making, agricultural trellis fixing, industrial baling and handicraft weaving. Its soft and flexible feature makes it perfect for all kinds of manual and machine bundling scenarios
Is black annealed twisted wire rust-proof?
The black annealed oxide surface offers basic anti-rust ability for indoor and short-term outdoor use. For long-term outdoor corrosive environments, we recommend choosing galvanized twisted wire for better rust resistance.
What is the difference between black annealed wire and galvanized wire?
Black annealed twisted wire is softer, more flexible and lower in cost, suitable for temporary binding and indoor projects. Galvanized wire has strong anti-corrosion performance but higher price and harder texture, ideal for long-term outdoor use.
Can I get customized size and packaging?
Yes. We support custom wire diameter, coil weight, twisted strands and export packaging. We can also provide mill test certificates for bulk order customers.
What is the MOQ and delivery time?
Wholesale bulk order MOQ is negotiable. We have regular specifications in stock, and customized production can be arranged quickly to meet global customer project demands.