YQ450NQR1乙字钢拉裂缺陷成因分析  

CAUSE OF YQ450NQR1 310 Z-BEAM DRAWING BREAKAGE DEFECTS

作　　者：贾攀 

机构地区：[1]新钢钒股份有限公司技术质量部

出　　处：《四川冶金》2007年第3期7-10,共4页Sichuan Metallurgy

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

关 键 词：310乙字钢 拉裂 皮下气泡 

分 类 号：TG115[金属学及工艺—物理冶金]