Applications
  • Commonly used in the hydraulic and pneumatic industry, in the automotive, oil and gas sector, as well as in general machinery.
  • Engine blocks and cylinder heads.
  • Pump and compressor housings.
  • Machinery bases and structures that require vibration absorption.
  • Brake discs and brake drums.
  • Gears and low-speed pulleys.
Characteristics:
  • High resistance to wear, tensile, and compressive stresses.
  • Good machinability.
  • Excellent surface finish.
  • Excellent damping of noise and vibrations.
  • Low impact resistance due to its brittle structure.
Chemical Composition
Variant%(C) Carbono%(Si) Siicio%(Mn) Manganeso%(P) Fósforo%(S) Azufre
Grey Iron C40 – Unibar 300 (Round)3.00% - 3.50%1.80% 2.80%0.50% - 0.80%0.12% Máximo0.15% Máximo