spiegeleisenn.
/ˈspiːɡ(ə)lˌʌɪz(ə)n/ A crystalline and lustrous variety of white manganiferous cast-iron much used in the Bessemer process for the manufacture of steel.
ΘΚΠ
society > occupation and work > materials > derived or manufactured material > metal > iron > [noun] > type of iron > iron used for making steel
steel iron1839
spiegeleisen1868
spiegel?1881
spiegel iron1883
1868 F. H. Joynson Metals in Constr. 53 A much higher..quality of iron is required to make steel by the Bessemer process, and, generally, a quantity of Spiegeleisen is required to be added to it.
1890 W. J. Gordon Foundry 102 Spiegeleisen is pig-iron's most highly carburized and crystalline form.
Derivatives
spiegel iron n.
ΘΚΠ
society > occupation and work > materials > derived or manufactured material > metal > iron > [noun] > type of iron > iron used for making steel
steel iron1839
spiegeleisen1868
spiegel?1881
spiegel iron1883
1883 Harper's Mag. Aug. 334/1 A rill of spiegel-iron is let in.
a1884 E. H. Knight Pract. Dict. Mech. Suppl. 839/2 We have a spiegel iron in this country; it is made from the New Jersey Franklinite ore, and was at first called Franklinite iron.
This entry has not yet been fully updated (first published 1914; most recently modified version published online December 2020).
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n.1868