![]() ![]() Basic information such as name of the material manufacturer, material size, weight, material identification and grade i.e.Contents of Material Test ReportĪn MTR certificate contains following information in general. Several plates might have identical heat number, and this is normal since that indicates both plates made from the same batch of melted material. During the inspection of the material the heat number mentioned on the MTR must match with one on engraved/printed on the plate. The heat number provides a way to trace back the steel plates to its production units and process conditions. This plate is given a particular identification number known as heat number. When the steel plate is in its molten condition, a sample is drawn out from the batch for analysis of its chemical composition. The MTR document contains heat number which is also known as “melt number” and is similar to lot or batch number. The MTR is supplied from the material manufacturer such as plate manufacturer, casting manufacturer, forging manufacturer, etc. Material test report or Mill test report certifies that the chemical analysis and mechanical properties are in conformance with the specified specification.Īn MTR certifies a material’s compliance with the standard specification such as ASME Section II Part A and B or ASTM. What is Material Test Report (MTR)/ Mill Test Report? ![]()
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