The granuler bainite ductile iron can be obtained with the help of step austempering. This kind of ductile iron presents the excellent combination of mechanical properties.
采用阶段等温淬火可得粒状贝氏体球铁，这种球铁具有优良的综合机械性能。
The granuler bainite ductile iron can be obtained with the help of step austempering. This kind of ductile iron presents the excellent combination of mechanical properties.
采用阶段等温淬火可得粒状贝氏体球铁，这种球铁具有优良的综合机械性能。
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