Auto parts precision casting brake drum
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Auto parts brake drum is a part of drum brake system, brake, piston type for two and a half months of pressure on the brake shoe, make it against the inner wall of the tympanic cavity, causing friction to stop the rotation of the wheels.
Precision casting brake drum material
The material of brake drum of HT200-300 (i.e., gray cast iron), matrix was mainly for the pearlite and A small amount of ferrite and cementite, mainly for A grade graphite, form for long flake, length of grade 4 to 6, heat dissipation, increase the friction performance and reduce the brake noise.
Brake drum of blank for casting production technology, main raw material is commonly needed for pig iron and scrap steel and foundry return, at the same time to add some alloy, such as Cu, Cr, etc., improve the casting properties.
We mainly provide high quality auto parts brake drum. Brake drum of the precision we can also supply, for more information please feel free to contact us.
If you are interested in our product, please contact us
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