According to concrete request to nodular cast iron trademark , choosing the rare earths nodularizer variety correctly , confirming the best remnant allowance of rare earths and magnesium and confirming the quantity of the joining nodulizer are the most important condition producing the high quality nodular cast iron 摘要根據(jù)具體球墨鑄鐵牌號要求,正確選擇稀土球化劑品種,確定最佳稀土殘留量、鎂殘留量及球化劑加入量,是保證生產(chǎn)優(yōu)質(zhì)球墨鑄鐵的必要條件。