摘要
从化学成份分析和夹杂物检验及金相组织检验结果得到:X80管线钢中存在多边形铁素体、珠光体以及局部聚集、分布不均匀、颗粒较大的M/A岛等组织,组织异常是影响X80管线钢屈服强度不合格的主要原因。
The chemical composition analysis,inclusion examination and microstructure test are carried out.The results indicat that X80 pipeline steel exists polygon ferrite,pearlite and partial conglomerate, asymmetrical distribution ,larger grain M/A island organizations,the main reason of X80 pipeline steel unqualified yield strength is abnormal organization.
出处
《安徽工业大学学报(自然科学版)》
CAS
2009年第4期353-356,共4页
Journal of Anhui University of Technology(Natural Science)