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昭通可鍛鑄鐵件鋼質模鍛件測試

信息編號:63931410 發(fā)布時間:2025/8/13 11:04:22
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化學成分:
可鍛鑄鐵的化學成分是: wC=2.2%~2.8%,wSi=1.0%~1.8%,wMn=0.3%~0.8%,wS≤0.2%,wP≤0.1%。
可鍛鑄鐵的組織有二種類型:
鐵素體(F)+團絮狀石墨(G);
珠光體(P)+團絮狀石墨(G)。
可鍛鑄鐵(malleable cast iron) 汽車用金屬材料。由一定化學成分的鐵液澆鑄成白口坯件,經過石墨化退火,石墨主要呈團絮狀、絮狀,有時呈少量團球狀的鑄鐵。可鍛鑄鐵與灰鑄鐵相比,具有較高的強度、韌性和沖擊韌性。
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