Shanghai Suyu Railway Material Co.,Ltd

Contact person: Linda Yuan

Tel: 0086-021-58999010

Mp: 008615901613885


skype: wysuyu1

Add: 1736 Room 15th Building 201 Jinxiang Road Pudong Shanghai China 201206

Cast Iron Brake Block

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Our cast iron brake block enjoys many advantages including hardness, impact strength and so on. It consists of two parts, the cast iron and the steel support. Both the surface and core of the cast iron have the hardness within the range of 197< HB< 255.

When facing subsequent impacts to the brake block or brake shoe, the steel support must remain intact and attached to the iron places. The connection bridge may possibly become detached but should not show any soundness defects. Separated from the brake shoe, the support must be able to withstand the bend test with cracking or breaking.

Cast Iron Brake BlockCast Iron Brake Block

Cast Iron Brake BlockCast Iron Brake Block

Chemical compositions of cast iron
 Carbon: 3.0-3.5%
 Phosphorus: 1.3-1.5%
 Silicon: 1.5-2.0%
 Sulphur: 0.1-0.15%
 Manganese: 0.5-0.8%

Chemical compositions of steel support
 C % < 0.13%,
 S % < 0.062%,
 P % < 0.062%.

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