No.60 EastQingbei Road, High-tech zone, Tangshan city, HebeiP.R.China +86-15832531726 [email protected]
Black steel wire is a fundamental building block in metalworking, prized for its exceptional ductility and versatility as a starting material for countless secondary operations. Its production involves a critical annealing stage that softens the wire, making it amenable to severe deformation processes like drawing, bending, and heading. The resulting black oxide surface is a direct outcome of this heat treatment when carried out in an environment containing oxygen. This surface, while offering limited inherent corrosion protection, is highly functional for industrial purposes. It acts as a natural reservoir for lubricants in wire drawing machines and provides an ideal textured profile for the mechanical bonding of subsequently applied coatings, such as electroplated zinc or spray-painted finishes. Within the furniture and cabinet making industry, black steel wire finds extensive use in the creation of internal strengthening elements, drawer glide mechanisms, and as the core wire for wrapped cables in lighting fixtures. Its ability to be spot-welded efficiently allows for the rapid assembly of complex wire frames for office chairs and shelving units. In the packaging sector, it is the primary material for producing twist ties for securing bags and for the internal structures of heavy-duty corrugated boxes. The agricultural industry utilizes it for constructing trellising systems for vines and climbing plants, where its strength and ease of shaping are highly valued. A significant industrial application is in the manufacture of chains, both welded and weldless. For weldless chains, the wire is coiled and linked in a process that relies on the wire's malleability. For general industrial use, it is employed to make S-hooks, C-hooks, and other material handling components. The wire's performance is directly tied to its chemical composition and the precise control of the annealing process. We offer a selection of black steel wires tailored for different forming demands. To ensure optimal results in your production process, it is essential to select the wire with the correct combination of properties. We encourage you to share the details of your application, including the intended forming operations and any subsequent finishing steps. Our technical team is available to provide a recommendation and supply the necessary technical documentation. Please contact us for further information and to discuss your specific needs.