The American Steel Worker: A Twenty-five Years' Experience in the Selection, Annealing, Working, Hardening and Tempering of Various Kinds and Grades of SteelDerry-Collard Company, 1906 - 333 стор. |
З цієї книги
Результати 1-5 із 62
Сторінка 13
... dipped in them when red hot . It is an acknowledged fact that the lowest possible heat at which steel will harden , leaves it the strongest This is illustrated elsewhere . Knowing this , it will be seen that an article made of steel is ...
... dipped in them when red hot . It is an acknowledged fact that the lowest possible heat at which steel will harden , leaves it the strongest This is illustrated elsewhere . Knowing this , it will be seen that an article made of steel is ...
Сторінка 15
... dipping in the bath , and get excellent results . But they do not know the difference between a steel of 3/4 per cent . carbon and one of 11⁄2 per cent ; in fact , they do not know anything about percentages of carbon , and don't care ...
... dipping in the bath , and get excellent results . But they do not know the difference between a steel of 3/4 per cent . carbon and one of 11⁄2 per cent ; in fact , they do not know anything about percentages of carbon , and don't care ...
Сторінка 57
... piece until it shows somewhat red , yet a certain black is discernible in the center of the piece . Dip into the bath and work it around well ; leave until cold . Now What test pieces will show . heat another piece until 57.
... piece until it shows somewhat red , yet a certain black is discernible in the center of the piece . Dip into the bath and work it around well ; leave until cold . Now What test pieces will show . heat another piece until 57.
Сторінка 61
... dipped at the high heat . The grain of steel remains in the condition the highest heat received leaves it , until it is reheated , when it is adjusted to that heat . The condition of the grain of the steel is an unvarying guide as to ...
... dipped at the high heat . The grain of steel remains in the condition the highest heat received leaves it , until it is reheated , when it is adjusted to that heat . The condition of the grain of the steel is an unvarying guide as to ...
Сторінка 88
... dipped in water or brine ( that is , warmed somewhat ) , the temperature of the bath de- pending upon the liability of the piece to crack . Tools , as milling cutters , made from high carbon steel , are many times hardened to advantage ...
... dipped in water or brine ( that is , warmed somewhat ) , the temperature of the bath de- pending upon the liability of the piece to crack . Tools , as milling cutters , made from high carbon steel , are many times hardened to advantage ...
Інші видання - Показати все
Загальні терміни та фрази
allow annealing best results bottom brittle cast iron cent charcoal charred leather cold considered advisable cool counterbores crucible steel containing cutting tools cyanide Derry Collard Derry Collard Co dipped draw the temper drills excellent results Figure fire forging furnace gauges give grain grinding hammer hard hardened steel hardening box high carbon steel high speed steels hole hotter inch kettle lathe tool lead linseed oil machinery steel mandrels manner method milling cutters milling machine cutters mixture necessary to harden open hearth steel ordinary pack hardening packing material percentage of carbon phosphorus piece of steel pipe placed plate plunged portion possible proper punch punch press quenched raw bone reamer red heat refining heat removed screw screw threading shape shown in Fig similar tools soft spring surface tank taps teeth temper color temperature tion tongs tool steel uniform heat wire writer