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A mill test report (MTR) and often also called a certified mill test report, certified material test report, mill test certificate (MTC), inspection certificate, certificate of test, or a host of other names, is a quality assurance document used in the metals industry that certifies a material's chemical and physical properties and states a product made of metal (steel, aluminum, brass or ...
Raw precious metals are assayed by an assay office. Silver is assayed by titration , gold by cupellation and platinum by inductively coupled plasma optical emission spectrometry (ICP OES). [ 1 ] [ 2 ] Precious metal items of art or jewelry are frequently hallmarked (depending upon the requirements of the laws of either the place of manufacture ...
Industry quality standards require materials to be tested at the manufacturer and the results of these tests be submitted through a report, also called a mill sheet, mill certificate or mill test certificate (MTC). The only way to trace a steel plate back to its mill sheet is the heat number.
The section on ferrous metallurgy contains modules on thermodynamics and kinetics, including strengthening mechanisms, phase transformation, recrystallisation and grain growth, heat treatment, and steel properties. An introduction is provided on steel specifications, with exercises to ensure that they can be accurately interpreted.
Certification is issued following the successful completion of a multiple choice exam which is based on the recommended practice document API 577. Certification identifies the candidate as a 'Welding Inspection and Metallurgy Professional', as opposed to a certified welding inspector under other programmes. [18]
Metallurgy derives from the Ancient Greek μεταλλουργός, metallourgós, "worker in metal", from μέταλλον, métallon, "mine, metal" + ἔργον, érgon, "work" The word was originally an alchemist's term for the extraction of metals from minerals, the ending -urgy signifying a process, especially manufacturing: it was discussed in this sense in the 1797 Encyclopædia ...
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In 1974, the Iron and Steel Institute merged into the Institute of Metals. The Institute of Metals then merged in 1993, with The Institute of Ceramics and The Plastics and Rubber Institute (PRI) to form the Institute of Materials (IoM). The PRI was itself a merger of The Plastics Institute and the Institution of the Rubber Industry (known as ...
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