1) For train bogie 2) Fatigue life can reach 3 million times 3) ISO9001,UIC 822, DIN 2096 EN13298 standards

   Technical parameters

wire diameters(d)	coil diameters(D)	Free height(L0)	weight(Kg)	number of active coil(t)
12-45mm	60-245mm	205-423mm	4-82	3-12

1.Elements: internal spring and external spring

2.Materials: 60Si2Mn, 60Si2MnA, 60Si2CrVA,  60Si2CrVAT,50 CrV4, and 51CrMoV4.

3.Certifications: ISO 9001,UIC 822 DIN 2096,EN 13298

4.Export destination: We have exported to Vietnam, Pakistan, Namibia, Venezuela, Burma, Thailand, Angola,

Sudan, Australia, etc

5.Besides, springs can be manufactured according to customer's requirement.

6.Package:wooden box

 Part of equipments