摘要
对于产生拉裂缺陷的YQ450NQR1高强度耐大气腐蚀乙字钢,通过表面缺陷行貌观察、金相检验和相关工艺调查分析,找出拉裂缺陷产生原因并提出治理方法和预防措施。
With regard to produce drawing breakage defect YQ450NQR1 second characters steel, By the fact that the surface defect does appearance, observation , handicraft inquire into the measure governing analysis, Find out the drawing breakage method and taking precautions against metallographic examination and relevance defect producing cause and bring forward
出处
《四川冶金》
CAS
2007年第3期7-10,共4页
Sichuan Metallurgy
关键词
310乙字钢
拉裂
皮下气泡
310 section tough rolled steel, drawing breakage, subcutaneous air bubble
