 | Leslie Aitchison - Steel - 1921 - 502 pages
...they give a reasonable idea of the nature of the processes under consideration. (1) Normalising. — Normalising means heating a steel (however previously...range, and allowing it to cool freely in the air. It is desirable that the temperature of the steel shall be maintained for about fifteen minutes, and... | |
 | Leslie Aitchison - Steel - 1921 - 490 pages
...reasonable idea of the nature of the processes under consideration. (1) Normalising.—Normalising means heating a steel (however previously treated)...range, and allowing it to cool freely in the air. It is desirable that the temperature of the steel shall be maintained for about fifteen minutes, and... | |
 | Richard Glazebrook - Physics - 1922 - 1090 pages
...latter case the temperature used must exceed the upper critical range, but not more than by 50° C. Normalising means heating a steel (however previously...to a temperature exceeding its upper critical range (but not more than by 50° C.) and allowing it to cool freely in air. . It is desirable that the steel... | |
 | Reginald George Cyril Batson, James Henry Hyde - Building materials - 1922 - 516 pages
...latter case the temperature used must exceed the upper critical range but not more than by 50° C. Normalising means heating a steel (however previously...to a temperature exceeding its upper critical range (but not more than by 50° C.) and allowing it to cool freely in air. It is desirable that the steel... | |
 | William Herbert Hatfield - Steel - 1928 - 172 pages
...less. It may be of interest to include the British definition of these terms : Normalizing. Normalizing means heating a steel (however previously treated)...range, and allowing it to cool freely in the air. The maximum temperature shall be maintained for about 15 minutes, and shall not exceed the upper limit... | |
 | Institution of Mechanical Engineers (Great Britain) - Mechanical engineering - 1917 - 916 pages
...standard specifications referred to by Mr. Ashdown, the term was defined as follows : " Normalizing means heating a steel (however previously treated)...critical range, and allowing it to cool freely in air. The temperature shall be maintained for about fifteen minutes, and shall not exceed its upper... | |
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Normalising means heating a steel (however previously treated) to a temperature exceeding its upper critical range, and allowing it to cool freely in air. 