Bogie Springs are made of high-strength spring steel by hot coil or cold coil, and manufactured according to AAR, EN or Chinese railway standards. This spring is applicable for the bogie’s suspension and damping devices and widely used in railway freight cars, passenger cars and locomotive.
Main Parameters of bogie springs:
| Product | Materials | Standard | Process | Spring Type | Application |
| Springs | 60Si2CrVAT/60Si2CrVA/50CrV4/ | DIN 2096/ | Rolling | Inner Spring, Outer Spring, Wedge Spring | Railway freight cars, passenger cars, locomotive |
| SUP 9 | JIS G 4801/Chinese Railway Standards |
