中国重型装备
中國重型裝備
중국중형장비
CHINA HEAVY EQUIPMENT
2014年
1期
48-50
,共3页
Q345热轧板%延伸率%带状组织%夹杂物%金相分析
Q345熱軋闆%延伸率%帶狀組織%夾雜物%金相分析
Q345열알판%연신솔%대상조직%협잡물%금상분석
Q345 hot rolled plate%elongation%banded structure%inclusion%metallographic analysis
针对Q345B热轧板在拉伸试验中出现延伸率不合格的问题，采用化学成分分析和金相分析方法进行分析，结果为钢板中严重的夹杂物、级别较高的带状组织、较高的含碳量导致钢板的延伸率不合格。
針對Q345B熱軋闆在拉伸試驗中齣現延伸率不閤格的問題，採用化學成分分析和金相分析方法進行分析，結果為鋼闆中嚴重的夾雜物、級彆較高的帶狀組織、較高的含碳量導緻鋼闆的延伸率不閤格。
침대Q345B열알판재랍신시험중출현연신솔불합격적문제，채용화학성분분석화금상분석방법진행분석，결과위강판중엄중적협잡물、급별교고적대상조직、교고적함탄량도치강판적연신솔불합격。
Unqualified elongation issue of Q345B hot rolled plate in elongation test has been analyzed by applying chemical composition analysis and metallographic analysis , the result was that serious inclusions , higher grade banded structure and higher carbon content leaded to unqualified elongation of steel plate .
