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C60 (CK60) Annealed Spring Steel

C60 (CK60)

C60 (CK60) Annealed Spring Steel

The C60 material, produced in cold-rolled and annealed forms, is generally supplied in two mechanical property ranges: annealed and tempered.

The untreated material is referred to as annealed, while the heat-treated material is referred to as tempered. Previously known as C60 Grade Steel under German DIN standards, this material was redefined as CK60 Grade Steel under the European Norm while maintaining the same technical specifications.

Technical Specifications of CK60 Grade Annealed Spring Steel

CK60 Grade Annealed Spring Steel is produced in cold-rolled form according to the EN 10132-4 standard and is identified under work number 1.1211. It is typically supplied in its annealed form and can be converted into its tempered form through heat treatment by users in their processes.

Our company supplies this material in slit coil or sheet steel form, both in annealed and tempered variants, according to your specifications.

Applications of CK60 Grade Annealed Spring Steel

CK60 Grade Annealed Spring Steel is widely used in the automotive, white goods, electronics, and construction industries.

Standard Comparison

EN 10132 UNI DIN AFNOR BS SAE/AISI
C60S C60 CK60 XC60 cs60 1060

Chemical Compositions %

C Mn Si P max. S max. Cr max. Ni max. Mo max. V
0,57-0,65 0,60-0,90 0,15-0,35 0,025 0,025 0,40 0,40 0,10 --

Mechanical Properties

Rm max N/mm² HV max. A% (Lo80 min)
620 200 17

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