Certification Auto Brake Spare Parts 

4246W2

Certification Auto Brake Spare Parts 

 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

Advantages

1,Tracking And Timely Reply
2,Guaranteed product quality
3,Satisfactory product price
4,prompt delivery time
5,excellent customer service