天津交通电气器材供应站的干部,在党的正确领导下,利用坩埚和小型轧板机试制了矽钢片,其制造工艺过程如下: 1.配料: 第一次试制时的配方为: 高矽中矽低矽铁(低炭钢下料即可)92.33% 94.14% 95.27%矽7.5% 5.7% 4.5%锰0.17% 0.16% 0.23% 铸成锭后经过化学分析试验结果合金原素成分为: Tianjin traffic electrical equipment supply station cadres, under the correct leadership of the party, the use of crucibles and small rolling plate machine trial production of silicon steel sheet, the manufacturing process is as follows: 1. Ingredients: The first trial when the formula is: high silicon Silicon in the low silicon iron (low carbon steel can be) 92.33% 94.14% 95.27% Silicate 7.5% 5.7% 4.5% Manganese 0.17% 0.16% 0.23% Cast ingot after chemical analysis test results The elemental composition of the alloy: