**Black Annealed Wire – Flexible and Cost-Effective Binding Solution**

**Product Overview**
Black Annealed Wire is a soft, malleable low-carbon steel wire treated through an annealing process to enhance flexibility and corrosion resistance. Characterized by its dark oxidized surface, this wire is widely used for binding, baling, construction reinforcement, and crafting due to its ease of handling, durability, and affordability. Ideal for both temporary and long-term applications, it balances functionality with economical value across industries.

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**Material Specifications**
- **Base Material**: Low-carbon steel (Q195 or equivalent).
- **Surface Finish**: Natural black oxide layer from controlled annealing.
- **Tensile Strength**: 300–500 MPa (softer than galvanized wire for easy twisting/cutting).
- **Diameter Range**: 0.5mm–4.0mm (custom thicknesses available).
- **Coil Weight**: 5kg–500kg (standard); pre-cut lengths upon request.

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**Key Applications**
1. **Construction & Binding**:
- Rebar tying, brick reinforcement, and concrete formwork securing.
- Bundling pipes, timber, or scrap metal.
2. **Agriculture**:
- Baling hay, securing vines, and repairing fences.
- Greenhouse structure assembly.
3. **Industrial Packaging**:
- Pallet strapping, machinery part bundling, and cargo stabilization.
4. **DIY & Crafts**:
- Handmade furniture, garden art, and wire sculptures.
5. **Temporary Fixes**:
- Emergency repairs, signage hanging, and lightweight fastening.

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**Product Advantages**
- **Superior Flexibility**: Annealed structure allows easy bending and knotting without breaking.
- **Rust Resistance**: Oxide layer provides moderate protection against humidity and oxidation.
- **Cost-Effective**: Lower price point compared to galvanized or stainless steel wires.
- **Smooth Handling**: Burr-free surface minimizes injury risk during manual use.
- **Eco-Friendly**: Recyclable material with minimal environmental footprint.

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**Technical Standards**
- **Process Compliance**: ASTM A853 (annealing standards), ISO 16120 (cold-drawn wire).
- **Surface Quality**: Uniform oxide layer with no cracks or excessive scaling.
- **Elongation**: 12%–25% (ensures ductility for repetitive adjustments).

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**Packaging & Logistics**
- **Packaging**: Coiled on spools or in loose coils, wrapped in moisture-resistant paper or plastic.
- **Anti-Rust Treatment**: Optional oil coating for extended storage in humid climates.
- **Shipping**: Bulk orders optimized for container transport; small batches via air or courier.

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