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轧制条件的影响德尔巴、波达斯金和沙日[9]关於5一吨一试验熔炼的报告,钢的成分为0.06—0.08％C,3.1—4.0％Si,0.04—0.13Mn和0—1.6％Al,研究轧制和退火条件对於钢的影响。结果铁心损失值V_(1?)在1.19—1.63瓦/公斤之间,不能令人满意;也许最终的退火温度850°还是太低。钢锭系在1280°至1320°加热过夜。在个人的经验缓慢加热是必需的,为了去掉应力裂纹。板坯系在1050°加热30分钟并每隔20分加热,经过二次或三次中间加热,在1050°轧成。四次加热
Effect of rolling conditions Delba, Podskin and Sandy [9] In a report on 5 1 tonne of pilot melting, the composition of the steel was 0.06-0.08% C, 3.1-4.0% Si, 0.04-0.13 Mn and 0- 1.6% Al, studied the effect of rolling and annealing conditions on steel. As a result, the core loss V_ (1?) Was between 1.19 and 1.63 W / kg unsatisfactorily; perhaps the final annealing temperature of 850 ° C was too low. Steel ingot heating at 1280 ° to 1320 ° overnight. Slow heating in the personal experience is necessary in order to remove stress cracks. The slab is heated at 1050 ° for 30 minutes and heated every 20 minutes. After two or three intermediate heatings, the slab is rolled at 1050 °. Heat four times