High-carbon gray cast iron automobile brake disk and production method thereof
A technology of automobile braking and production methods, applied in the direction of brake discs, mechanical equipment, friction linings, etc., can solve the problems of unstable performance, easy damage, easy aging, etc., and achieve performance improvement, wear resistance and heat resistance Improved fatigue performance and strong heat storage capacity
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Embodiment 1
[0034] Embodiment 1: A high-carbon gray cast iron automobile brake disc, the chemical composition of the high-carbon gray cast iron automobile brake disc is as follows: C: 3.7% to 3.71%, Mn: 0.5% to 0.51%, Cu: 0.3% to 0.31%, Cr: 0.1% to 0.11%, Mo: 0.2% to 0.22%, Si: 1.6% to 1.62%, N: 0.1% to 0.12%, P: 0.01% to 0.03%, S: 0.05%~0.06%, the balance is Fe.
Embodiment 2
[0035] Embodiment 2: A kind of high-carbon gray cast iron automobile brake disc, the chemical composition ratio of the high-carbon gray cast iron automobile brake disc is as follows: C: 3.79%~3.8%, Mn: 0.78%~0.8%, Cu: 0.49% to 0.5%, Cr: 0.19% to 0.2%, Mo: 0.38% to 0.4%, Si: 1.98% to 2.0%, N: 0.19% to 0.2%, P: 0.11% to 0.12%, S: 0.11%~0.12%, the balance is Fe.
Embodiment 3
[0036] Embodiment 3: A high-carbon gray cast iron automobile brake disc, the chemical composition of the high-carbon gray cast iron automobile brake disc is as follows: C: 3.75%, Mn: 0.65%, Cu: 0.4%, Cr : 0.15%, Mo: 0.3%, Si: 1.8%, N: 0.15%, P: 0.05%, S: 0.08%, and the balance is Fe.
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