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出典:『Wikipedia』 (2011/03/04 12:38 UTC 版)

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The Minimum Design Metal Temperature (MDMT) is one of the design conditions for pressure vessels engineering calculations, design and manufacturing according to the ASME Boilers and Pressure Vessels Code. Each pressure vessel that conforms to the ASME code has its own MDMT, and this temperature is stamped on the vessel nameplate. The precise definition can sometimes be a little elaborate, but on simple terms the MDMT is a temperature arbitrarily selected by the user of the vessel according to the type of fluid and the temperature range the vessel is going to handle. The so called arbitrary MDMT must be lower than or equal to the CET (which is an environmetal or "process" property, see below) and must be higher than or equal to the (MDMT)_M (which is a material property).