Engineering Encyclopedia: A Condensed Encyclopedia and Mechanical Dictionary for Engineers, Mechanics, Technical Schools, Industrial Plants, and Public Libraries, Giving the Most Essential Facts about 4500 Important Engineering SubjectsFranklin Day Jones, Paul Bert Schubert Industrial Press, 1963 - 1431 σελίδες |
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Σελίδα 614
... temperatures when hardening . Hardening Temperatures : The maximum temperature to which a steel is heated before quenching to harden it is called the hardening temperature . Hardening temperatures vary for differ- ent steels and ...
... temperatures when hardening . Hardening Temperatures : The maximum temperature to which a steel is heated before quenching to harden it is called the hardening temperature . Hardening temperatures vary for differ- ent steels and ...
Σελίδα 630
... temperature furnace which is maintained at a temperature of from 2250 to 2400 degrees F. , as a general rule . In order to ob- tain the most satisfactory " red hardness " conditions , the steel should be brought rapidly to the higher ...
... temperature furnace which is maintained at a temperature of from 2250 to 2400 degrees F. , as a general rule . In order to ob- tain the most satisfactory " red hardness " conditions , the steel should be brought rapidly to the higher ...
Σελίδα 1023
... temperature by heating the filament of an electric lamp to the same color as that of the incandescent body , the tem- perature of which is required . The small low - voltage lamp is placed inside a tube through which the heated object ...
... temperature by heating the filament of an electric lamp to the same color as that of the incandescent body , the tem- perature of which is required . The small low - voltage lamp is placed inside a tube through which the heated object ...
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