Product Introduction
Forged copper bars refer to copper bar products produced by forging. Forging is a metal processing method that heats the copper billet and applies pressure, blows or squeezes it to cause plastic deformation, thereby changing its shape and size.
Product Features
High Conductivity
Forged copper bars use high-purity electrolytic copper (copper content ≥99.95%), and the conductivity can reach more than IACS 99%, which is significantly better than the IACS 97% of ordinary cast copper bars. High conductivity means that the current transmission per unit cross-sectional area of the copper bar is higher and the energy loss is lower, which can effectively reduce the resistance heating and energy loss under the same current load.
High Strength
The forging process allows the tensile strength of the copper bar to reach ≥300 MPa, which is more than 20% higher than that of rolled copper bars. This high strength performance makes the product less likely to crack or produce structural deformation during subsequent machining, stamping, and bending, and is particularly suitable for industrial parts that require higher strength, such as electrical connectors and precision components.
High Dimensional Accuracy
Forged copper bars are forged by dies, and the dimensional tolerance can be as accurate as ±0.05 mm, which is significantly better than ±0.2 mm of extrusion or rolling. This high precision allows the copper bars to be more accurately aligned in subsequent assembly and welding, reducing or avoiding secondary finishing, reducing production costs, and improving the assembly efficiency of the entire line.
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