Iron-Iron Composite Brake Drum, Invention Patent No.: 202110843768.5
1. The outer layer is made of high-strength ductile cast iron, while the inner layer features wear-resistant gray cast iron. 2. The shell boasts a tensile strength of 700–800 MPa. 3. Its service life is more than three times longer than that of conventional gray iron brake drums. 4. Ideal for heavy-duty vehicles operating in challenging road conditions or requiring prolonged braking performance.
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