Industrial  compressionspring ,electric elevtor spring ,

Specifications:

1.ISO9001:2008

2.Material:60Si2CrA,60Si2CrVA,60Si2MnA,stainlesssteel .

3.Wirediameter:1mm~80mm

4.Freeheight:15mm~1088mm

5. hardness:42HRC~52HRC oras Standards of EN ,DIN.etc.

6. Direction of coils:Right,left

7. No. ofcoils:Unlimited

8.Application:Excavator, diggermachine, car, train, shakeout machine, etc.

9.Color:Black,white,blue,red,yellow, grey, etc.

10.Production method:Hot formed,cold formed

11.Note:The materials andspecifications can be dedided by the customers