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Steel MakingAnnealing To Relieve Internal StressesWork quenched from a high temperature and not afterward tempe... Application To The Automotive Industry The information given on the various parts of the Liberty eng... High Speed Steel For centuries the secret art of making tool steel was handed ... Conclusions Martien was probably never a serious contender for the honor ... Steel Before The 1850's In spite of a rapid increase in the use of machines and the ... Nickel Nickel may be considered as the toughest among the non-rare a... The Influence Of Size The size of the piece influences the physical properties obta... Calibration Of Pyrometer With Common Salt An easy and convenient method for standardization and one whi... The Penetration Of Carbon Carburized mild steel is used to a great extent in the manufa... Annealing ANNEALING can be done by heating to temperatures ranging from... Nickel-chromium A combination of the characteristics of nickel and the charac... Drop Forging Dies The kind of steel used in the die of course influences the he... Preventing Cracks In Hardening The blacksmith in the small shop, where equipment is usually ... Testing And Inspection Of Heat Treatment The hard parts of the gear must be so hard that a new mill f... Plant For Forging Rifle Barrels The forging of rifle barrels in large quantities and heat-tre... Heat-treating Equipment And Methods For Mass Production The heat-treating department of the Brown-Lipe-Chapin Company... Steel Worked In Austenitic State As a general rule steel should be worked when it is in the a... Furnace Data In order to give definite information concerning furnaces, fu... The Electric Process The fourth method of manufacturing steel is by the electric f... Crucible Steel Crucible steel is still made by melting material in a clay or... |
Affinity Of Nickel Steel For CarbonCategory: HEAT TREATMENT OF STEEL The carbon- and nickel-steel gears are carburized separately owing to the difference in time necessary for their carburization. Practically all printed information on the subject is to the effect that nickel steel takes longer to carburize than plain carbon steel. This is directly opposed to the conditions found at this plant. For the same depth of case, other conditions being equal, a nickel-steel gear would require from 20 to 30 min. less than a low carbon-steel gear. From the quenching machines, the gears go to the sand-blasting machines, situated in the wing of the heat-treating building, where they are cleaned. From here they are taken to the testing department. The tests are simple and at the same time most thorough. Next: Testing And Inspection Of Heat Treatment Previous: The Effect
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