FDCrSi alloy spring steel bar

Product Description  1. Material: 55CrSi.  2. Specification: Diameter: 12mm-300mm.       3. State of delivery: Hot rolled, hot treat, cold rolled and so on.   4. Application: machinery,mechanical parts,instruments,auto parts and so on.   Company Information  We own the eight profession engineers of high strength steel wire,and many QC to keep the products good quality so that in oversea marketing .we have been getting good reputation for over 10 years.