AAR Standard Bogie Casting Bolster Three Piece Casting Bogie Class B Class C

Category： Bogie Parts
Application: three piece casting bogie
Rail gauge: 1000mm, 1067mm, 1435mm, 1520mm, 1676mm
Axle load: 13t ~35t
Materials: AAR Class B or Class C
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AAR Standard Bogie Casting Bolster Three Piece Casting Bogie Class B Class C

1. Brief introduction:

The casting bolster plays a crucial role in the cast steel three-piece truck bogie. It links the frames on both sides and helps distribute the weight of the car body down to the wheels and rails via the center plate or side bearings.
Bogie bolsters are typically made from cast steel through a casting method. They usually come with components like a wearing plate, a lower center plate, and fulcrum seats.
We have been manufacturing railway wagons for over ten years. We design and develop series of bogies applicable to different gauges, different pay loads railway freight wagons.

2. Why choose us?

Our foundry is designated foundry of the Ministry of Chinese Railways, for the casting products of railway train parts and the quality is assured;
We provide full ranges of various wagon and bogie parts and one stop services for customers;
We offer series of bogies adaptable to different railway gauges, different axle loads, running speeds;
We could design manufacture and material standards like AAR, EN, TB, GOST and etc.

3. Bolster material properties:

Chemical Composition:

Material

C ≤

Si≤

Mn≤

P≤

S≤

Cu≤

Ni≤

Cr≤

Mo≤

Class B

0.28

0.4

0.03

0.3

Class C

0.28

0.4

1.5

0.03

0.3

0.35

0.3

Mechanical properties of Cast Steel for Bolster:

Material	Tensile strength	Yield Strength	Elongation Rate	Reduction rate in section	Impact absorption
Class B	≥485	≥260	≥24	≥36	≥20(-7℃)
Class C	≥620	≥415	≥22	≥45	≥20(-18℃)