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qt400

qt400

qt400

qt400

1

The ribbed stave cooler made by QT400-18 ductile iron are employed in the middle and lower part of the BF stack .

该肋壁冷却器所作态 qt400-18 球墨铸铁受雇于中下游部分高炉栈。

2

The ductile iron pincer seat made by QT400-15 was found cracks in tensile testing .

材质为 QT400-15 球墨铸铁钳座在拉拔力试验时出现裂纹。

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