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1.前言我厂82年根据标准GB1499—79试制20MnSi螺纹钢筋,并进行了小批量试生产,至1984年6月底已生产合格钢材10830.63吨(其中84年1~6月份占68.4%)。规格为φ12~20mm五个品种,直接供给省、市金属材料公司和重点工程的约有十几个单位;重点工程项目如连云港的三突堤(庙岭煤码头)工程、徐州130万千瓦电厂、中国石化公司南京乙烯工程等。由于生产工艺逐
1. Preface Our factory made 20MnSi rebar according to the standard GB1499-79 in 82 years and conducted small batch trial production. By the end of June 1984, it has produced 10,830.63 tons of qualified steel (68.4% of which in January-June of 1984). The specifications for the φ12 ~ 20mm five varieties, the provincial and municipal direct supply of metal materials companies and key projects of about a dozen units; key projects such as three jetty in Lianyungang (Miaoling coal terminal) project, Xuzhou 1.3 million kilowatts power plants, Sinopec Nanjing ethylene project. Due to the production process by