Pearlitic nodular rolls are obtained by adding alloy elements of Ni, Cr, Mo into the nodular cas iron and following special heat treatment.
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美
- 珠光体球墨铸铁轧辊是在球墨铸铁中加入镍、铬、钼合金元素,经过特殊热片理得到珠光体球铁轧辊。