Reference Number
Auto Brake Disc WS90242 45251SD400 CLP3757 GBD90388 GBD90801 GBD90833
Vehicle Application
10/81-12/87 BMW 520i
Specification
	Item Name	Auto Brake Disc WS90242  45251SD400 CLP3757 GBD90388 GBD90801 GBD90833

Material Standard

Material Paragram of brake disc, rotor & brake drum:

 

Standard	C	Si	Mn	P	S	C.E
G3000	3.1~3.4	1.9~2.3	0.6~0.9	≤ 0.15	≤ 0.15	3.90~4.15

 

         6.2 Mechanical Properties of brake disc, rotor & brake drum:

 

1) Tensile: ≥ 210 Mpa
2) Hardness : 160~241 HBS

 

         6.3 Microstructure of brake disc, rotor & brake drum: 

 

Main Graphite Type: A , Grade: 3~5 .
Pearlite: ≥95% Ferrite: <5%

Main Products

C.V. Brake Disc/C.V. Brake Drum/C.V. Brake Pad Set/C.V. Brake Shoe Set/C.V.Brake Lining/Flywheel

Auto Brake Disc/Auto. Brake Drum/Auto. Brake Pad Set

Main Application

European & American & Japanese Commercial Vehicle, Main Brand Passenger Car