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Steel MakingMushet And BessemerThat Mushet was "used" by Ebbw Vale against Bessemer is, perh... Heavy Forging Practice In heavy forging practice where the metal is being worked at... Silicon Silicon prevents, to a large extent, defects such as gas bubb... Hardening High-speed Steel In forging use coke for fuel in the forge. Heat steel slowly ... Judging The Heat Of Steel While the use of a pyrometer is of course the only way to hav... High-carbon Machinery Steel The carbon content of this steel is above 30 points and is ha... Annealing In Bone Steel and cast iron may both be annealed in granulated bone. ... Highly Stressed Parts The highly stressed parts on the Liberty engine consisted of ... Classifications Of Steel Among makers and sellers, carbon tool-steels are classed by g... Effects Of Proper Annealing Proper annealing of low-carbon steels causes a complete solu... Drop Forging Dies The kind of steel used in the die of course influences the he... The Packing Department In Fig. 56 is shown the packing pots where the work is packe... Steel Before The 1850's In spite of a rapid increase in the use of machines and the ... Steel For Chisels And Punches The highest grades of carbon or tempering steels are to be re... Temperatures To Use As soon as the temperature of the steel reaches 100 deg.C. (... Lathe And Planer Tools TO FORGE.--Gently warm the steel to remove any chill is parti... Bessemer Process The bessemer process consists of charging molten pig iron int... Heat Treatment Of Gear Blanks This section is based on a paper read before the American Gea... Heat Treatment Of Milling Cutters Drills Reamers Etc THE FIRE.--Gas and electric furnaces designed for high heats ... Open Hearth Process The open hearth furnace consists of a big brick room with a l... |
A Satisfactory Luting MixtureCategory: CASE-HARDENING OR SURFACE-CARBURIZING A mixture of fireclay and sand will be found very satisfactory for closing up the boxes, and by observing the appearance of the work when taken out we can gage the suitability of the methods employed, for unless the boxes are carefully sealed the work is generally covered with dark scales, while if properly done the articles will be of a light gray. By observing the above recommendations reliable results can be obtained, and we can expect uniform results after quenching. Next: Gas Consumption For Carburizing Previous: Using Illuminating Gas
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