C 55 grade Cold Rolled & Annealed Steel Strips
Composition: C: 0.5 - 0.60%
Mn: 0.5 - 0.90%
Si: 0.35% Max
S&P: 0.04% Max
C 55 grade Cold Rolled & Annealed Steel Strips C 55 grade Cold Rolled & Annealed Steel Strips
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 levelled 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 (refer bend test chart)

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