FDCrSi suspension spring steel wire

0.6mm-16mm oil hardened and tempered steel wire

65MN,55crsi ,54crsi6,tdsrci,fdcrsi,vdcrsi.etc

Heat treatment Temper

EN10270-2

Packing in coils by plastic film inside and plastic-woven strip outside.Can be customized as custermer's requirement.

1800-3200mpa

Billets--RHF--Water descaling--ROlling--Laying head--Control cooling--Finishing, Packing, Warehousing;Materials wire rod---drawing---pickling-free wiredrawing derusting series---abrasive belt derusting---ultrasonic wave---Wire drawing powder---anneal process---oil-hardening---plumbum anneal---Washing---apply anti-rust oil--wire-rewindin--packing.

 Making for engine valve spring, clutch spring, oil pump nozzle spring, auto belt tightening pulley spring. And supporting spring in piston ring etc.