| 释义 |
‖ spiegeleisen|ˈspiːg(ə)lˌaɪz(ə)n|
[G., f. spiegel mirror + eisen iron.]
A crystalline and lustrous variety of white manganiferous cast-iron much used in the Bessemer process for the manufacture of steel.
1868Joynson Metals 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. 1890W. J. Gordon Foundry 102 Spiegeleisen is pig-iron's most highly carburized and crystalline form.
So spiegel iron.
1883Harper's Mag. Aug. 334/1 A rill of spiegel-iron is let in. 1884Knight 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. |