Brake drum introductions

1) Adapt to: BENZ  BPW  MAN  FUWA DAF  VOLVO HOWO DONGFENG ect.

2) Process: It is produced by Coated Sand Precision Casting.

3) Better control of wall thinckness differece.

4) Best quality and smoothest surface.

5) We are original brake drum supplier of Dongfeng truck in China.

Brake drum details

1)Material: Gray iron HT250, Meet the American Standard G3000, Also offer ductile cast iron. 

2) Designer: Technical expert take in charge of making drawings for the sample offered by client.

3) Test requriment: Each piece should be strictly tested, Eg. Brake Drum Blance Test, Round Jumpness Test .

4) Casting: Automatic production line including sand mixing, moulding and pouring.

5) Machining: Brake drums are produced by CNC machining.

6) Inspection: Advance test equipment including CMM, tensile strength testing machine, hardness tester, spectrometer, parallel tester, etc.

7) Chermical composition:

C:3.0-3.3%  Si:1.6-1.9%  Mn:0.7-0.9%   P:<0.12%    S<0.12%
8) Mechanics performance:
Main body degree of hardness:163-255HBS
Testing rod tensile strength:>=220mpa

9) Every detail contribute to our product of consistent quality and excellent performance.

10) We can produce it just as your drawings.