冶金设备
冶金設備
야금설비
METALLURGICAL EQUIPMENT
2014年
4期
33-36,51
,共5页
马氏体耐热钢%连铸工艺%铸坯质量
馬氏體耐熱鋼%連鑄工藝%鑄坯質量
마씨체내열강%련주공예%주배질량
Martensitic heat-resistant steel%Continuous casting technology%Billet quality
马氏体耐热钢由于其物理特性，在连铸生产过程中易出现表面凹陷、中心疏松及中心缩孔等质量缺陷。通过对马氏体耐热钢在连铸过程中的凝固特点、高温特性和缺陷形成的机理进行分析、研究，优化连铸生产工艺，有效地改善了铸坯质量。
馬氏體耐熱鋼由于其物理特性，在連鑄生產過程中易齣現錶麵凹陷、中心疏鬆及中心縮孔等質量缺陷。通過對馬氏體耐熱鋼在連鑄過程中的凝固特點、高溫特性和缺陷形成的機理進行分析、研究，優化連鑄生產工藝，有效地改善瞭鑄坯質量。
마씨체내열강유우기물리특성，재련주생산과정중역출현표면요함、중심소송급중심축공등질량결함。통과대마씨체내열강재련주과정중적응고특점、고온특성화결함형성적궤리진행분석、연구，우화련주생산공예，유효지개선료주배질량。
Owing to physical characteristics of martensitic heat resistant steel , quality defects easily ap-peared in continuous casting process , such as surface depression , central porosity and central pipe and so on .By studying solidification characteristics and high temperature characteristic of martensitic heat resistant steel in continu -ous casting process , formation mechanism of defects were analyzed .After continue casting technology was optimized , billet quality has improved effectively .
