HARDEST STEEL YET KNOWN
WILL CUT GLASS LIKE PAPER. RESULT OF NITROGEN TREATMENT. United Press Association —By Electric Telegraph—Copyright. PARIS, May 2. Two French chemists, MM. Aubcrt and Duval, have invented a new steel the main feature of which consists in tie-ating steel alloys with nitrogen. The metal 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-onginc cylinders are stated to have produced remarkable results.
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Bibliographic details
Manawatu Times, Volume LIV, Issue 6900, 4 May 1929, Page 9
Word Count
101HARDEST STEEL YET KNOWN Manawatu Times, Volume LIV, Issue 6900, 4 May 1929, Page 9
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