Profile: Keighley Laboratories Ltd. specializes in manufacturing heat treatment of metals and metallurgical laboratory service. Our heat treatment services include induction hardening, carburizing/case hardening, carbo-nitriding, press quenching, precipitation hardening, stress relieving, hardening, and tempering. Our laboratory services include chemical analysis, mechanical testing & metallography, positive material identification/alloy verification, and weld testing. Our services are applicable for transportation, marine, aerospace, defense, rail, oil, and gas sectors.