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Galvalume and galvanized steel roofing cannot be fully evaluated by visual or low-magnification analysis to determine the extent of damage to a roof after a hailstorm.  Hailstone damage must be evaluated using scientific laboratory equipment, such as stereomicroscopy, scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), optical emission spectroscopy (OES), and on occasion, Fourier Transform Infrared […]

An eyewitness to the start of the Grenfell Tower fire in London indicated the “fridge exploded.” Yes, refrigerators can explode. In Europe, it has been reported that 90% of apartment refrigerators are ammonia and hydrogen working fluid refrigerators. Information on failures and causes of ammonia and hydrogen refrigerator fires and explosions can be found on our website […]

As stated in our newsletter we will be covering different aspects, factors, and results of fatigue over the next several weeks. Fatigue is a very common failure mode for metal. Although there are plenty of other modes for metal failure, fatigue can be commonly found in items that are used on a regular basis. For […]

Get a Handle On Your Cooking. A large cooking pot, purchased from a well-known store, was being used in its recommended fashion. During a routine lifting of the pot, one of the handles failed and gave way, dumping scalding water onto the cook. A photograph of the subject and an identical exemplar pot can be seen […]

  Welding defected in electric resistance welds used to fabricate steel pipe have been alleged. ERW defects have been alleged to have caused pipe leakage and failure in air conditioning condenser pipe in several commercial buildings. JEI metallurgical has been requested to conduct an engineering evaluation of several of these failures.             A view of […]


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J.E.I. Metallurgical, Inc.

5514 Harbor Town
Dallas, Texas 75287

Phone: (972) 934-0493
Fax: (469) 737-3938
Email: r.c.jerner@metallurgist.com

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