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本文介绍了-60℃级 B652新钢种及其低温压力容器用管的研制过程。采用平炉冶炼、SL 法炉外精炼、控轧和冷轧(拔)、正火处理工艺试制的低温压力容器用无缝管,其各项技术指标均满足JISG 3460—84标准要求。产品经用户使用获得好评。
This article describes the -60 ℃ grade B652 new steel and its low temperature pressure vessel tube development process. The seamless steel pipe for low-temperature pressure vessel trial-production by open hearth smelting, SL refining outside the furnace, controlled rolling and cold rolling (pull) and normalizing treatment process all meet the requirements of JISG 3460-84 standard. Products have been well received by users.