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Steel MakingStandard AnalysisThe selection of a standard analysis by the manufacturer is t... Preventing Cracks In Hardening The blacksmith in the small shop, where equipment is usually ... Pyrometers For Molten Metal Pyrometers for molten metal are connected to portable thermoc... Heat Treatment Of Lathe Planer And Similar Tools FIRE.--For these tools a good fire is one made of hard foundr... Plant For Forging Rifle Barrels The forging of rifle barrels in large quantities and heat-tre... Forging High-speed Steel Heat very slowly and carefully to from 1,800 to 2,000 deg.F.... Rate Of Cooling At the option of the manufacturer, the above treatment of gea... Heat Treatment Of Punches And Dies Shears Taps Etc HEATING.--The degree to which tools of the above classes shou... The Pyrometer And Its Use In the heat treatment of steel, it has become absolutely nece... Effect Of Different Carburizing Material [Illustrations: FIGS. 33 to 37.] Each of these different p... Phosphorus Phosphorus is one of the impurities in steel, and it has been... Hints For Tool Steel Users Do not hesitate to ask for information from the maker as to t... Placing The Thermo-couples The following illustrations from the Taylor Instrument Compan... Impact Tests Impact tests are of considerable importance as an indication ... Properties Of Alloy Steels The following table shows the percentages of carbon, manganes... Chrome-nickel Steel Forging heat of chrome-nickel steel depends very largely on ... Knowing What Takes Place How are we to know if we have given a piece of steel the ver... Heat Treatment Of Gear Blanks This section is based on a paper read before the American Gea... Carbon Steels For Different Tools All users of tool steels should carefully study the different... 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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