Specifications
1.Gray iron brake drum
2.Tensile strength:240Mpa
3.Hardness:HB 230-240
4.Price:competitive price
5.Certificate:ISO9001:2000
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1.Heavy-duty truck brake drum
2.Casting process:investment casting
3.Mechanical testing:by certified lab
4.Mould:provide mould service
5.Surface:polished, and black lacquer
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