Large-scale precision copper forging is one of the most deceptively complex operations in metals manufacturing. Copper’s high thermal conductivity means it sheds heat almost as fast as you can add it — forcing operators to work within narrow temperature windows where the material is plastic enough to flow but not so hot that it recrystallizes into an unpredictable grain structure. Get the temperature wrong by even 30°C and you’re looking at cracked billets, galled die surfaces, or parts that fail dimensional inspection before they ever leave the press. The presses themselves are purpose-built for the task. Hydraulic forging presses in the 2,000–10,000 ton range deliver the slow, sustained squeeze that copper needs — unlike the impact-driven energy of mechanical or hammer forges that work well for steel but can fracture copper’s face-centered cubic lattice under shock loading. The press speed matters as much as the force. Too fast and adiabatic heating creates localized hot spots that ...