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Description:
1. can batch production2. have certificate ISO
3. big Order , we can give best price
4.OEM-accept drawing or parameter
heavy duty Coilcompression spring used on Excavator andbulldozers
1 Material used forspring:51CrV4, 52CrMoV4, 60Si2MnA(9260 or SUP6), 60Si2CrA(9262 orSUP11A), 60Si2CrVA(SUP12), 60Si2CrVAT, 50CrV4(6150 or SUP10),55CrSi (SAE9254) , AISI 9260 spring
2 High stability for high speedtrain, construction and mining machine , engineering machniery ,industry .
3 Infinite life: 2x106 cycles fatigue test
4 Manufaturing standard: EN13298, TB/T 2211, JIS B2704, UIC 822, DIN 2096, ASTMA125
5 Rolled and groundend
6 Wire diameter could bemax.80mm
7. High quality , best price anddelivery in time
8. Can offer smple fortrial


