
Black Annealed Low Carbon Wire for Packing, Tying and General Fabrication (1.6–12.5 mm)
- Diameter range: 1.6 mm – 12.5 mm
- Tensile strength range: 500–1100 MPa depending on diameter
- Made from low carbon steel with heat treatment and annealing
- Smooth surface, suitable for bending, drawing, and roll threading
- Used for packing, tying, racks, hooks, baskets, shelving, and automotive parts
Black annealed low carbon wire is manufactured by cold drawing followed by heat treatment to produce a clean and smooth finish. It offers excellent ductility and moderate tensile strength, making it ideal for tying, bundling, packing, shelving, and general fabrication tasks. With a diameter range from 1.6 mm to 12.5 mm, this wire is commonly used in supermarket trolleys, baskets, racks, hooks, and general automotive components. The annealed surface enables easy handling and moderate bending, while still retaining good mechanical performance.
Made to order to your diameter, coating, tensile grade and standard, and supplied worldwide — request a quote for price, minimum order quantity and lead time.
Specifications
| Model NO. | ZB-BAW |
| Technique | Cold Drawn / Heat Treated |
| Material | Low Carbon Steel |
| Type | Annealed Wire |
| Application | Packing, Tying, Shelving, Fabrication |
| Surface | Black Coated |
| Tensile Strength | 500–1100 MPa |
| Diameter | 1.6–12.5 mm |
| Elongation | varies by size |
| Standard | Customer Standard |
| Transport Package | Plastic Wrapped Coils |
| Weight/Coil | Customizable |
| Origin | China |
| Trademark | Zhongbo Steel |
Tensile Strength by Diameter
| Nominal Diameter (mm) | Tensile Strength (MPa) |
|---|---|
| ≤1.75 | 800–1100 |
| 1.75–2.00 | 750–1050 |
| 2.00–2.24 | 700–1000 |
| 2.24–2.70 | 650–950 |
| 2.70–2.80 | 600–900 |
| 2.80–4.20 | 550–850 |
| 4.20–10.00 | 500–800 |
| 10.00–11.50 | 450–750 |
| 11.50–12.50 | 500–800 |
Diameter Tolerance by Range
| Nominal Diameter (mm) | Tolerance (mm) |
|---|---|
| 1.60–1.80 | ±0.02 |
| 1.80–2.80 | ±0.03 |
| 2.80–5.00 | ±0.03 |
| 5.00–8.00 | ±0.03 |
Steel Chemistry Composition
| Element | HDLC | Truform | Hiform |
|---|---|---|---|
| % Carbon | 0.04–0.07 | ≤0.05 | ≤0.06 |
| % Phosphorus | ≤0.03 | ≤0.03 | ≤0.04 |
| % Manganese | 0.40–0.60 | ≤0.50 | 0.25–0.50 |
| % Silicon | 0.12–0.22 | 0.12–0.18 | ≤0.05 |
| % Sulphur | ≤0.03 | ≤0.03 | ≤0.04 |
Tensile Strength
Tensile strength ranges from 500 MPa to 1100 MPa depending on the wire diameter and final rolling process, ensuring reliable ductility and strength for binding and structural applications.
Features
- Cold drawn and heat treated for improved performance
- Clean black surface for smooth feeding in machines
- Ideal for baskets, hooks, shelving, and packing
- Easy to bend and cut, good machinability
- Suitable for general-purpose fabrication
Packaging & Shipping
Packaging: In coils wrapped with plastic film or gunny cloth
Weight per Coil: Customizable based on customer need
Lead Time: 15–25 working days
Shipping Ports: Tianjin, Qingdao, or other ports in China
Use cases
- Welded and woven mesh, chain-link, gabion baskets and field fencing
- Vineyard, trellis, cattle and poultry wire for agriculture
- Automotive components, binding, braiding and general industrial use
- Optical-fibre support and messenger wire
Who it is for
Mesh and fencing producers, agricultural and industrial manufacturers, and distributors sourcing galvanized, Galfan or coated steel wire to a specific diameter, coating and temper.
Standards, certificates & inspection
Manufactured and tested to ASTM A641, EN 10244-2, BS EN 10218 or your customer standard. 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
Can I order a custom diameter, coating and tensile grade?
Yes. Zhongbo manufactures to your specification — wire diameter, zinc-coating weight, tensile grade, temper and finish. Send your requirement and we will confirm what we can produce.
Do you provide samples before a bulk order?
Yes. Samples or small initial quantities are available so you can evaluate diameter tolerance, coating, tensile strength and surface quality before placing a larger order.
Which standards do you manufacture to?
ASTM A641, EN 10244-2, BS EN 10257, JIS G 3547, AS/NZS 4534 and GB/T, or your own customer standard and test plan.
What is the minimum order quantity and lead time?
MOQ and lead time depend on the diameter, coating and quantity. Send your enquiry with the destination port and we will confirm both with the quotation.
Do you provide mill test certificates and third-party inspection?
Yes. Each shipment can include a mill test certificate covering diameter, tensile strength and zinc-coating weight, with SGS, BV or customer-appointed inspection on request.
Request a quote
Send your diameter, coating and quantity — we'll reply within one business day.
Get a QuoteTechnical documents
Download the product catalogue, or contact us for certificates and test reports.
Product catalogue (PDF)More Steel Wire
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- Hot-Dip Galvanized Steel Wire for Submarine and Coastal Cable Applications
- Galvanized Steel Wire for Marine Engineering and Offshore Cables
- Galvanized Steel Wire for Optical Fiber Cable Support Use
- Aluminium-Clad Steel Wire (ACS Wire)
- High Zinc Coated Galvanized Steel Wire for Fencing (0.15–3.5 mm)




