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Show New High-Speed Steel. For the manufacture of hlgh-speecl steel a new process, in which no tungJ sten, molybdenum, cobalt or vanadium Is used, has been Introduced in Eng land. In former processes in the hlghi pressed tungsten was an indispensable alloy, Its use in normal times running as high as 14 to 2-4 per cent. It 13 said that the Ingredients of the nevr, steel are freely obtainable whereveq steel is manufactured. It is also sail to be obtainable only for turning, planing plan-ing and slotting tools, all of which can be made by casting. It Is not sulh able for twist drills or milling cutters.' The tools in which it can be used, how ever, take up about 75 per cent of the entire consumption of steel for machine ma-chine tools. Patents In other countries coun-tries are being applied for, and it la proposed soon to place the process before be-fore steel-makers in this country. |