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承德钢铁厂从80年秋开始研制高强度月牙型螺纹钢筋。这是在当时国内钢材滞销的情况下,为适应和打入国际市场所采取的决策。他们搜集了许多国外标准并严格按照英国标准BS4449—78进行试制和小批量投产,到81年中就达到了成组配套大批生产,配套规格有螺纹钢φ16、20、25、32、40,其中螺纹钢φ40是国内首创,目前产量属全国首位。两年来共出口6万多吨,创外汇折人民币3773万元。主要供应香港市场,转销东南亚,国内主要
Chengde Iron and Steel Plant from the autumn of 80 began developing high-strength crescent-type thread steel. This was the decision to adapt to and enter the international market under the condition of the slow-moving domestic steel products. They collected many foreign standards and in strict accordance with the British standard BS4449-78 trial production and small quantities put into operation, to 81 years to reach a large group of supporting large-scale production, supporting specifications are rebar φ16,20,25,32,40, of which Rebar φ40 is the first domestic production, the current output is the first place in the country. In the past two years, it exported more than 60,000 tons of foreign exchange and set a foreign exchange discount of 37.73 million yuan. Main supply Hong Kong market, resell Southeast Asia, mainly domestic