 | James Gilchrist Benton - 1862 - 560 σελίδες
...of hardening by immersing it, when hot, in cold water ; and with certainty by the action of diluted nitric acid, which leaves a black spot on steel, and...iron, so as to deprive it of a sufficient portion of carbon to bring it to a malleable state. It is made principally in Germany, and is used for making... | |
 | James Gilchrist Benton - 1862 - 562 σελίδες
...of hardening by immersing it, when hot, in cold water; and with certainty by the action of diluted nitric acid, which leaves a black spot on steel, and...carbon. There are many varieties of steel, the principal <>t' which are : Natural sted, which is obtained by reducing the rich and pure kinds of iron ore with... | |
 | United States. Army. Ordnance Department - 1862 - 638 σελίδες
...principal of which are: Natural steel, which is obtained by reducing the rich and pure kinds of iron-ore with charcoal, and refining the cast iron, so as to deprive it of a sufficient portion of carbon to bring it to a malleable state. It is made principally in Germany, and is used for making... | |
 | James Gilchrist Benton - 1867 - 610 σελίδες
...of hardening by immersing it, when hofc, in cold water; and .with certainty by the action of diluted nitric acid, which leaves a black spot on steel, and...kinds of iron ore with charcoal, and refining the cast-iron, so as to bring it to a malleable state. It is made principally in Germany, and is used for... | |
 | Thomas Wilhelm - 1881 - 676 σελίδες
...susceptibility of hardening by immersing it when hot in cold water, and with certainty by the action of diluted nitric acid, which leaves a black spot on steel, and...colored in proportion as the iron contains less carbon, lor the construction of cannon, steel may be divided into high and low steel, the difference being... | |
 | Charles Haynes Haswell - 1890 - 990 σελίδες
...Natural Steel, obtained bv reducing rich and pure descriptions of iron ore with charcoal, and refining cast iron, so as to deprive it of a sufficient portion of carbon to bring it to a malleable state. It is used for files and other tools. Indian Steel, termed... | |
 | 1898 - 636 σελίδες
...strength. Much carbon makes steel close grained and lustrous. Natural steel is obtained by refining cast iron so as to deprive it of a sufficient portion of carbon to bring it to a malleable state. Indian or Wootz steel is made by melting one pound of malleable... | |
 | 1898 - 796 σελίδες
...strength. Much carbon makes steel close grained and lustrous. Natural steel is obtained by refining cast iron so as to deprive it of a sufficient portion of carbon to bring it to a malleable state. Indian or Wootz steel is made by melting one pound of malleable... | |
 | Joseph W. Bramwell - 1898 - 364 σελίδες
...strength. Much carbon makes steel close grained and lustrous. Natural steel is obtained by refinining cast iron so as to deprive it of a sufficient portion of carbon to bring it to a malleable state. Indian or Wootz steel is made by melting one pound of malleable... | |
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... per cent., and even less, in some kinds. Steel may be distinguished from iron by its fine grain; its susceptibility of hardening by immersing it, when hot, in cold water ; and with certainty by the action of diluted nitric acid, which leaves a black... 