C75 is a standard Euronorm high carbon spring steel, part of EN10132. It has a carbon content of 0.7-0.8% making it a multi-purpose carbon steel with good spring properties. Therefore, it is a commonly used carbon steel in a wide range of engineering applications. 

C75 steel hardness range is 400/450 vpn. To get steel with the higher hardness the heat treatment used for 75Cr1 Carbon Steel.

C75 Chemical Composition


Carbon0.70-0.80%Phosphorous0.040% max
Manganese0.50-0.80%Sulphur0.040% max

Related Specifications

C75 is related to:


CK751074    75Cr1

Condition Supplied

BSS supply C75 in the following conditions:

  • Cold rolled hardened and tempered


C75 is widely used for a range of spring and engineering applications including:

  • Clutch plates
  • Springs
  • Knives and blades
  • Wood saws
  • Hand tools
  • Agricultural tools
  • Shims
  • Doctor Blades
  • Biomass stirrers

Our range

We supply C75 in coil hardened and tempered, and also in a range of sheet sizes.
C75 steel hardness range is 400/450 vpn. C75 is available in a range of sheet sizes, from 0.5mm to 2.64mm thick.

We do not supply Mill Certificates with orders, we only supply Certificates of Conformity.

Please contact us on 0114 244 0527 (option 2) to make an enquiry.