extract Metallurgy

News and information on extractive metallurgy as scientific discipline and industrial enterprise

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Nil Ductility Transition Temperature (NDDT) Determined in the dropweight test.

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Non Magnetic Steels - Austenitic steels such as the 14% manganese steels and the 303 type 18/8% chromium-nickel stainless steels.

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Conventional stress, as applied to tension and compression tests, is force decided by the original gauge length.

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Degas Heat - A heat of degas steel is a heat that is produced to extremely low carbon levels through vacuum degassing.

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Migra Iron (Brit.) - A special pig iron for high quality castings.

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system the reducing station splits the pump pressure into P1, P2 and P3 pressures.

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These generally are produced in smaller volumes to meet the specific needs of customers.

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NTP - Normal temperature and pressure reference point; zero centigrade 760mm mercury pressure.

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Undercut Part of a mold or die requiring a drawback.

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Epoxy Amino - Clear thermosetting coating with a combination epoxy resin and amino resin to give adhesion, flexibility and toughness.

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Progressive Aging - An aging process in which the temperature of the alloy is continuously increased during the aging cycle.

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Leveler Streak - See Streak, Leveler - extractive metallurgy

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Air-Dried (Dry) A core or mold dried in air, without application of heat.

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3 Temper) - (A) In low carbon cold-rolled strip steel, a medium soft temper produced by a limited amount of cold rolling after annealing.

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Metallstatic Pressure - A compound phase referring to hydrostatic pressure, substituting Metall since Hydro connotes water.

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Hard Drawn - Wire or tubing drawn to high tensile strength by a high degree of cold work.

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Non-Temper Passed Bands - Hot bands. - extractive metallurgy

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Pyrometallurgy - Chemical metallurgical process dependent upon heat.

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Also called elastic modulus and coefficient of elasticity.

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Green represents water and red indicates steam. - extractive metallurgy