Spheroidal graphite cast iron is made from 100% Longyan pig iron by using magnesium ferro silicon as nodulizing agent and adding 0 00%,0 01%,0 02%,0 03%,0 04%,0 05%,0 07% RE Si Fe alloy respectively.
英
美
- 全部采用龍巖生鐵，制取球墨鑄鐵。球化劑為鎂硅鐵合金，同時(shí)分別添加0．00%25、0．01%25、0．02%25、0．03%25、0．04%25、0．05%25、0．07%25稀土硅鐵合金進(jìn)行球化處理。
