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Development of High Performance Steel Plates for Tanks and Pressure Vessels
Author(s): 
Pages: 40-47
Year: Issue:  4
Journal: WIDE AND HEAVY PLATE

Keyword:  高性能焊接性在线快速冷却微合金化技术;
Abstract: 为了满足能源领域的需求,JFE公司开发了高性能即韧性、强度和焊接性都优良的610 MPa级高强度系列钢板,包括高焊接性的JFE-HITEN610U2、低温贮罐用JFE-HITEN610U2L和大输入热量焊接用JFE-HITEN610E.这些产品的特点是低C、低Pcm(焊接裂纹敏感性成分)和不加入B.由于采用了微合金化技术和超级在线快速冷却(Super-OLAC)的直接淬火-回火工艺,从而获得了优良的母材及焊缝性能.另外,针对市场对高可靠性超厚钢板的需求,开发了采用锻造、轧制工艺和高质量连铸板坯生产超厚钢板的技术,在压力容器用SQV2B板和200 mm厚度级别的超厚板生产中,实现了优良的内部质量;且这些产品都有了较多的应用实绩.
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