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天津钢管公司的Φ２７０ｍｍ连铸圆坯经６５０轧机轧制成Φ１１０ｍｍ圆管坯，再由Φ１００ｍｍ自动轧管机组生产低、中压锅炉用无缝钢管的试验结果表明，钢管质量完全符合ＧＢ３０８７－８２标准中规定的各项技术指标要求。
Φ270mm continuous casting round billet of Tianjin Pipe Company was rolled into Φ110mm round billet by 650 rolling mill, and the test results of seamless steel pipe for low and medium pressure boiler by Φ100mm automatic rolling mill unit showed that the quality of the steel pipe completely conformed to GB3087-82 In the provisions of the technical indicators.