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机构地区:[1]攀钢集团成都钢钒有限公司,四川成都610303
出 处:《钢管》2015年第5期13-16,共4页Steel Pipe
摘 要:介绍了利用步进式连续淬火炉-回火炉设备,通过控制加热制度和冷却速度,实现完全退火处理目的的二阶连续退火新工艺。采用该工艺批量退火处理的1Cr5Mo(12Cr5Mo I)、T9(12Cr9Mo I)等合金钢管材,其各项指标满足标准及使用要求。生产实践表明:二阶连续退火工艺技术能大幅度提高合金钢、高合金钢的退火热处理效率,节约能耗和时间,有利于企业降本增效,具有推广应用价值。Elaborated in the paper is the new process of 2-step continuous annealing to meet the purpose of full annealing treatment by means of the walking-beam continuous quenching furnace-tempering furnace system, and proper controlling of heating scheme and cooling velocity. The tubular products made of alloy steels like 1Cr5Mo (12Cr5MoI) and T9(12Cr9MoI) as batch-treated with this new annealing process have got all of their indexes in compliance with applicable specifications, and relevant application requirements. The production result shows that said new 2-step continuous annealing process technology has brought about such advantages as significant enhance- ment of the annealing heat treatment efficiency of alloy steels and hi-alloy steels, saving energy and operation time, and helping the maker to reduce costs and increase benefit, which is worth spreading up.
关 键 词:无缝钢管 合金钢 二阶连续退火 步进式连续淬火炉-回火炉 完全退火 1CR5MO
分 类 号:TG161[金属学及工艺—热处理]
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