Central shrinkage porosity and segregation are main defects of high - carbon steel billets.

高碳钢连铸坯存在的最大质量问题是中心缩松、中心偏析严重.

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Shrinkage and shrinkage porosity, stress and deformation often occurs during the production of heavy steel casting.

大型铸钢件在实际生产中易产生缩孔缩松 、 应力变形等缺陷.

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The reasons resulting in the shrinkage porosity, gas - hole and impacted sand in bronze castings were analyzed.

分析了锡青铜叶轮铸件出现的缩孔 、 气孔、冲砂等缺陷的原因.

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