SCM440合金结构钢工件裂纹原因分析
徐志刚
Reason analysis of cracks of SCM440 steel workpiece
XU Zhi-gang
中国钢铁期刊网 . 2016, (3): 45 -50 .  DOI: 10.13228/j.boyuan.issn1001-0777.20150060