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A NEW STEEL

FRENCH INVENTION. ... CUTS GLASS LIKE PAPER. (United Press Association.) (By Electric Telegraph— Copyright.) PARIS, May 2. Two .French chemists, MM. Aubert and Duval, have invented a new steel,; the main feature of which consists of treating steel alloys with nitrogen. It is also subjected to ammoniac gas. The product cute glass and quartz like paper. The process., is .effective with steel only. The surface hardness of the new steel, which is already being manufactured, is stated .to be the highest known. Exhaustive tests with motor aero engine cylinders are stated to have produced remarkable results.—Australian Press Association.

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Permanent link to this item

https://paperspast.natlib.govt.nz/newspapers/ODT19290504.2.80

Bibliographic details

Otago Daily Times, Issue 20708, 4 May 1929, Page 13

Word Count
100

A NEW STEEL Otago Daily Times, Issue 20708, 4 May 1929, Page 13

A NEW STEEL Otago Daily Times, Issue 20708, 4 May 1929, Page 13