The Research and Application of Alloy Nodular Cast Iron Roll for HF welded Steel Pipe Mill
高频焊管轧机合金球墨铸铁轧辊的研究应用
The Testing and Analysis of Tensile Resistant Dip for Ductile Cast Iron Pipe Flexible Joint
球墨铸铁管承插式柔性接口抗拉力卡箍试验分析
Steel Liquid Content Control of Spheroidal Cast Iron Pipe and Improvement of Balling Process
球墨铸铁管铁液成份控制和球化工艺改进
The annealing process of centrifugal ductile cast iron pipe by the heated mould method is studied.
研究了热模法离心铸造球铁管的退火工艺。
Using the method of isothermal forging spheroidal graphite cast iron pipe of good quality can be produced.
利用等温锻造方法可生产优质的球墨铸铁管。
Research on Wire Feeding and Its Technique Applied to Producing Ductile Cast Iron Pipe Lines Using Centrifugating Casting
离心球墨铸铁管喂线球化工艺试验研究
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