This paper analysed emphatically the surface qualities of HCC round billets of grade 20 made in Hengyang Steel Tube Plant and the control methods of it.
本文着重分析了衡阳钢管厂20钢水平连铸管坯的表面质量及现场控制方法。
This paper introduces and analyses the applied examples of vibratory stress relieving in heavy shaft forging, seamless steel tube forgings... Crankshaft forgings and heavy weldment in our plant.
本文介绍了振动时效技术在我厂大型轴类锻件、无缝钢管锻件、曲轴锻件及大型焊接件上的应用实例并进行了分析。
The mould technology with high cooling intensity is adopted in the steel-making plant of Laigang to transform general built-up mould to high effective tube mould.
莱钢炼钢厂应用高冷却强度结晶器技术，将原组合铜板式断面结晶器改造为高效管式结晶器。
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