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
โ 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 ยฐ to IOOO ยฐ C. Gallium readily forms alloys and as such may be used for brightening optical mirrors, and as a substitute for