C75 Carbon Steel


C75 Carbon Steel 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 Carbon Steel Chemical Composition

Carbon – 0.7 – 0.8%
Manganese – 0.5 – 0.8%
Silicon – 0.1 – 0.4%
Phosphorous – 0.04% max 
Sulphur – 0.04% max


Condition Supplied

BSS supply C75 Carbon Steel in the following conditions:
Cold rolled hardened and tempered


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

  • Flat springs
  • Automotive springs
  • High performance springs
  • Machine knife blades
  • Circlips
  • Clutch plates
  • Springs
  • Knives and blades
  • Wood saws
  • Hand tools
  • Agricultural tools
  • Shims
  • Doctor Blades
  • Biomass stirrers

Our range

We supply C75 Carbon Steel 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.