High chromium steels
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T.K.C.
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Article
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1932
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Elsevier Science
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English
β 174 KB
## April, I932. ] CURRENT TOI '~CS. 461 Gallium already has been recommended in this country as a filler for quartz thermometers to be used for high temperatures around 500 Β° to IOOO Β° C. Gallium readily forms alloys and as such may be used for brightening optical mirrors, and as a substitute for