Keighley Laboratories Ltd - Specialists in the Analysis, Testing and Heat Treatment of Metals Keighley Laboratories Limited has been operating since 1920. Working for today’s internationally demanding industries Keighley Laboratories delivers technical excellence in the areas of sub-contract production heat treatments and metallurgical laboratory services to its customers. Keighley Laboratories has extensive experience gained from working with companies within industries such as Passenger Transportation, Marine, Aerospace, Defence, Rail, Oil and Gas etc. BSI EN ISO 9001 approved for heat treatment services. UKAS approved for technical services as well as holding various aerospace approvals. Services Metallurgical & Laboratory Services: Chemical Analysis, Corrosion Testing, Failure & Problem, Investigation (inc expert witness), Foundry Consultancy, Mechanical & Physical Testing, PMI/Alloy Verification, Weld Testing, Non-Destructive Testing. Heat Treatment: Annealing/Normalising, ADI - Austempered Ductile Iron, Carbonitriding, Carburise/Case Harden, Hardening & Tempering, Induction Hardening, Martempering, Ferritic Nitrocarburising (Tufftride), Stress Relieving.