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Steel MakingClassifications Of SteelAmong makers and sellers, carbon tool-steels are classed by g... Steel For Chisels And Punches The highest grades of carbon or tempering steels are to be re... A Chromium-cobalt Steel The Latrobe Steel Company make a high-speed steel without tun... Double Annealing Water annealing consists in heating the piece, allowing it to... Case-hardening Treatments For Various Steels Plain water, salt water and linseed oil are the three most co... Brown Automatic Signaling Pyrometer In large heat-treating plants it has been customary to mainta... Heavy Forging Practice In heavy forging practice where the metal is being worked at... Tool Or Crucible Steel Crucible steel can be annealed either in muffled furnace or b... 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... Effect Of Different Carburizing Material [Illustrations: FIGS. 33 to 37.] Each of these different p... Highly Stressed Parts The highly stressed parts on the Liberty engine consisted of ... Annealing ANNEALING can be done by heating to temperatures ranging from... Temperature For Annealing Theoretically, annealing should be accomplished at a tempera... Optical System And Electrical Circuit Of The Leeds & Northrup Optical Pyrometer For extremely high temperature, the optical pyrometer is lar... Silicon SILICON is a very widespread element (symbol Si), being an es... The Pyrometer And Its Use In the heat treatment of steel, it has become absolutely nece... Annealing Of Rifle Components At Springfield Armory In general, all forgings of the components of the arms manufa... Suggestions For Handling High-speed Steels The following suggestions for handling high-speed steels are ... Hardening High-speed Steels We will now take up the matter of hardening high-speed steels... |
Pyrometers For Molten MetalCategory: PYROMETRY AND PYROMETERS Pyrometers for molten metal are connected to portable thermocouples as in Fig. 132. Usually the pyrometer is portable, as shown in this case, which is a Brown. Other methods of mounting for this kind of work arc shown in Figs. 133 and 134. The bent mountings are designed for molten metal, such as brass or copper and are supplied with either clay, graphite or carborundum tubes. Fifteen feet of connecting wire is usually supplied. The angle mountings, Fig. 134, are recommended for baths such as lead or cyanide. The horizontal arm is usually about 14 in. long, and the whole mounting is easily taken apart making replacements very easy. Details of the thermo-couple shown in Fig. 132 are given in Fig. 135. This is a straight rod with a protector for the hand of the operator. The lag in such couples is less than one minute. These are Englehard mountings. Next: Protectors For Thermo-couples Previous: An Automatic Temperature Control Pyrometer
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