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Composite brake drum product technology
Steel composite brake drum: Invention patent number: ZL201210061027.2
1. The outer steel shell is made of high-strength, high-toughness customized steel plate (ZDG400) using an integral spinning process.
2. The inner brake surface material is made of high wear-resistant gray iron using a centrifugal casting process.
3. The two materials are fused using a patented technology process.
4. With performance superior to traditional brake drums, the average weight reduction reaches 20%.
