METHOD OF SPHEROIDIZING ANNEALING OF WIRE ROD AND WIRE OF CARBON AND ALLOYED STEEL

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to metallurgy, namely the ways of heat treatment of carbon and alloy treated steel. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - increasing productivity while maintaining the quality of steel.the way includes the temperature cycle by heating to 760 - 780u0441 at 70 100u0441 / c and u043eu0445u043bu0430u0436u0434u0435u043du0438u00a0 600 - 650u0441 and additional temperature cycle in heating to 700 710u0441 and u043eu0445u043bu0430u0436 danny to 600 650u0441, the number of cycles 1 to 3. method u043fu043eu0437u0432u043eu043bu00a0u0435u0442 2 times the productivity process to achieve high hardness steel. 1 il.