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Cti have extensive knowledge of the testing of metals and their alloys.  A wide range of specialised testing equipment with no ‘standard’ workload allows for flexibility particularly suited to specialist testing.


Some of the more standard test methods are covered by our UKAS accreditation, with the remainder carrying the companies BSi approval.  For Cti's full UKAS Schedule of Accreditation, click here.  An outline of our ‘standard’ testing facilities can be seen below:

  • Analysis
    • Optical Emission Spectrometry
      • SpectroLab M8
      • Arun Metalscan 2500
      • Leco C&S
      • Leco O2&N2
  • Hardness
    • Vickers Micro Hardness (ISO 6507)
    • Vickers Hardness (ISO 6507)
    • Brinell Hardness (ISO 6506)
    • Rockwell Hardness (EN 6508)
    • Weld Traverse (ASME, EN, BS & ASTM)
  • Corrosion
    • ASTM G48 Method A Pitting & crevice attack
  • Optical Macroscopic Examination
    • Magnifications x10 – x50
    • Calibrated digital image capture
      • Physical measurements
  • Optical Microscopic Examination
    • Magnifications x50 - x2000
    • Calibrated digital image capture
      • Physical measurement
        • Defect/SDAS measurement
        • Ferrite Content (ASTM E562)
        • Phase content
        • % non-metallic inclusions (BS 7926)
        • Nodularity
      • Grain Size (ASTM E112)
  • Scanning Electron Microscopy
    • Fracture Surface Evaluation
      • Offers greater depth of field
    • PGT Micro Probe Analysis
      • Composition determination of inclusion material
  • Sand Testing
    • Tensile Strength
    • Compression Strength
    • Particle Size Grading
    • Hot distortion
    • Gas Evolution
    • Moisture & Loss on ignition
  • Sulphur Print
  • Surface Roughness
  • Surface Classification (Visual Comparison ASTM A802)

For further information contact Matthew Cawood.