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Composition: C: 0.5 - 0.60%
  Mn: 0.5 - 0.90%
  Si: 0.35% Max
  S&P: 0.04% Max
Normally this grade is stocked in Annealed condition with 180 HV Max Hardness. Strips can also be supplied in different temper in range of 200 – 350 HV on request, please check for Minimum economic batch, quantity & lead time. These strips are available in stock from thickness ranging from 4.0 to 0.25 mm in widths of 250 - 350 mm, this can be slitted, decoiled and leveled as per the customer's request.
This grade is similar to following grades.
AISI 1055
CK 60 (DIN)
EN - 9 / CS 50 (BS)
MC - 12
JIS - S 50C & S 55C / Sup9
55C6 of IS 2507 of 1975
These strips are supplied in bright finish & Sheared Edges suitable for bending & forming And then Heat treated for required Hardness.
This strip is widely used for making Springs, Washers, Spacers, Clips, Pins, insert etc.
Spring steel strips annealed, Cold rolled annealed spring steel strip, Hardened and Tempered Spring Steel Strip.