Brake Discs

Brake Drum 42431-60250

Brake Drum 42431-60250
Product Details

Car brake drum 42431-60250 for TOYOTA

OE NO:

Vehicle type:

Detail features:

1.Chemical  specification

Item

standards

Brake drum

C

3.1--3.4

3.25

Si

1.9--2.3

1.9

Mn

0.6--0.9

0.8

P

0.15 MAX

0.08

S

0.12MAX

0.09

2.Physical propertities

Item

standards

Brake drum

Tensile strength

245 N/m㎡ MIN

264

Hardness HB

187--241 HB

231

microstructure

A 85% MIN+B5%MAX

A 90% MIN

+B 3%MAX

Dynamic balance Disc

260 g-cm  MAX


Dynamic balance Drum

1300 g-cm MAX

500

 

 3.Apperance

The drum and disc’s surface checked and free of chills,shrink,porosity,slag,inclusions,cracks,cold pour ,burrs and any other imperfections .

4.car and truck brake drum kinds

 

5.dynamic balance testing everyone.


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