Its microstructure is fine pearlite and carbides. 它的微觀結構是細珠光體和碳化物。
Experiments show that the dual phase structure suitable to wire drawing consists of fine ferrite islands dispersed in the matrix of lath martensite. 實驗表明，適於拔絲的雙相組織是在板條馬氏體基體上分佈著細小的鐵素體島。
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