Chongqing Hengtairail Equipment Co.,Ltd.
Global Rolling Stock Parts Supplier
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Product Overview
Coil spring is key element of suspension on rolling stock. It is typically used to store energy and subsequently release it, to absorb shock, or to maintain a force between contacting surfaces. It can be divided into primary suspension also called Journal box spring, and secondary suspension also called bolster spring.
Product Advantage
· Various material types according to ASTM, EN, JIS and Chinese TB standards.
· Rods arrange from 1.5 mm to 80mm,
· with maximum overhall diameter to 450mm, height to 1200mm
Product specification
| Material Standard | EN10089 |
| Material | 51CrMoV4,52CrMoV4,60Si2Mn etc |
| Manufacturing standard | EN13298/UIC822 |
| Direction | Right or left |
| Wire range | from 1.5mm to 80 mm |
| Height range | maximum 1200mm |
| Surface treatment | Painting |
| Surface hardness | 45~51HRC |
| KU | ≥10J |
Drawing of Spring
End types
Application
Package