稀土镁钙合金是比较适合于冲天炉高硫铁水使用的蠕化剂。
The rare-earth-magnesium-calcium alloy is a compacted agent more suitable for high sulfur base gray iron in cupola.
采用研制的合金进行试验室试验和现生产工艺试验，详细地分析了稀土、钙对灰铸铁组织和性能的影响。
The effect of rare earth and calcium on the structure and property of gray iron were analysed in detail through laboratory tests and production technology tests.
结果还表明使用镁钙稀土复合合金可取得最佳的综合精炼效果。
Resutls also prove the best comprehensive effect on refining of steel can be obtained by the addition of MgCa-RE complex alloy.
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