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" ... bubbling or agitation ; but a larger proportion is not to be used, as it would make the steel brittle. The presence of manganese in the iron, or its introduction into the crucible or vessel in which steel is made, improves the steel by increasing... "
A Manual of Civil Engineering - Page 501
by William John Macquorn Rankine - 1883 - 808 pages
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A Treatise on Naval Architecture and Ship-building; Or, An Exposition of the ...

Richard Worsam Meade - Naval architecture - 1869 - 510 pages
...steel. Steel is distinguished by the property of tempering ; that is, it can be hardened by'sudden cooling from a high temperature and softened by gradual...temperature. The ordinary practice is to bring all steel to a high degree of hardness by sudden cooling, and then to soften it more or less by raising...
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A Manual of Machinery and Millwork

William John Macquorn Rankine - Machinery - 1873 - 620 pages
...steel is made, improves the steel by increasing its toughness and making it easier to weld and forge. Steel is distinguished by the property of tempering;...temperature, and softened by gradual cooling; and its degi-ee of hardness or softness can be regulated with precision by suitably fixing that temperature....
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Building Safe-guide

Charles Marcotte - Building - 1878 - 164 pages
...carbon. It is intermediate in hardness and other properties, between steel and malleable iron. Steel can be hardened by sudden cooling from a high temperature, and softened by gradual cooling. The elevation of temperature previous to the gradual cooling can be produced by plunging steel into...
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A Manual of Machinery and Millwork

William John Macquorn Rankine - Machinery - 1880 - 688 pages
...steel is made, improve-* the .steel by increasing its toughness and making it easier to weld and forge. Steel is distinguished by the property of tempering;...be regulated with precision by suitably fixing that temj>erature. The ordinary practice is, to bring all articles of steel to a high degree of hardness...
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A Manual of Machinery and Millwork

William John Macquorn Rankine - Machinery - 1880 - 620 pages
...steel is made, improves the steel by increasing its toughness and making it easier to weld and forge. Steel is distinguished by the property of tempering;...temperature, and softened by gradual cooling; and ita degree of hardness or softness can be regulated with precision by suitably fixing that temperature....
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Steel: Its History, Manufacture, Properties, and Uses

James Stephen Jeans - Steel - 1880 - 962 pages
...Civil Engineering,' we find it said, " Steel is distinguished by its property of tempering ; that is, it can be hardened by sudden cooling from a high temperature, and softened by gradual cooling," and so on. " If," says Dr. Pole, " an inquirer went into any workshop in the world, and took a piece of...
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A Manual of Machinery and Millwork

W. J. M. Rankine - 1883 - 666 pages
...steel is made, improves the steel by increasing its toughness and making it easier to weld and forge. Steel is distinguished by the property of tempering;...The ordinary practice is, to bring all articles of •f- steel to a high degree of hardness by sudden cooling, and then to soften them more or less by...
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A Manual of Machinery and Millwork

William John Macquorn Rankine - Machinery - 1893 - 710 pages
...steel is made, improves the steel by increasing its toughness and making it easier to weld! and forge. Steel is distinguished by the property of tempering;...hardened by sudden cooling from a high temperature, aud softened by gradual cooling; and its degree of hardness or softness can be regulated with precision...
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Inspection of the Materials and Workmanship Employed in Construction: A ...

Austin Thomas Byrne - Building - 1899 - 574 pages
...generally distinguished from both cast und wrought iron by the property of tempering which it possesses ; that is to say, it can be hardened by sudden cooling from a high temperature, and its degree of hardness or softness can be regulated with precision by suitably fixing the Umperature....
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Inspection of the Materials and Workmanship Employed in Construction: A ...

Austin Thomas Byrne - 1910 - 628 pages
...generally distinguished I'mn both oust and wrought iron by the property of tempering which it possesses ; that is to say, it can be hardened by sudden cooling from a high temperature, and its degree of hardness or softness can be regulated with precisinu by suitably fixing the ti mperature....
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