braking system drum brake manufacturers

  Material Requirements

 1. Must meet Grade HT250 for gray iron castings

 2. Chemical Composition (Percent)

  * Total Carbon:            3.0 - 3.50%

    * Silicon:                    1.90 - 2.30%

 * Manganese:              0.60 - 0.90%

   * Phosphorus:             0.12% Max.

    * Sulfur:                       0.10% Max.

 3. Microstructure:

    Graphite Structure: Predominantly type A, size 3-5.

    Matrix: Pearlistic with max.15 ferrite. Free from chill

4. Physical Properties

    Tensile Strength: Min. 200 N/mm

    Brinell Hardness: 190 ~ 230

Use Mileage: 50000Km-80000Km

Minimal quantity: 200pcs/item

Delievery date: 20-30days after deposit

 Laizhou Shoukun Machinery Factory is a professional manufacturer of brake discs and brake drums, with 10 years of production experience and more than 3,000 varieties. Our products are very popular both in the domestic and overseas markets, and we have gained a good reputation because of product quality and excellent service.

We can supply  many car bands and have more than 1,500 items in total which include almost all typical brakes worldwide, especially some new brake parts for GM, VW, Fiat, BMW, Peugeot, Opel, Renault, Mercedes, Benz, Hyundai, Daewoo and Kia. We are developing new items every day. We can develop about 500 new items every year.

We welcome all customers to visit our factory and negotiate business to gain mutual benefits.

1. Quick reply and quotation.

2. Resonable price and good quality.

3. Free sample available, while you need pay for freight.

4. OEM and ODM - We provide mold according to your requests.