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shui bo li shui rong ye cui huo jie zhi zai he jin gang re chu li zhong de ying yong
Author(s): 
Pages: 29-31
Year: Issue:  2
Journal: Ordnance Material Science and Engineering

Keyword:  淬火介质调质工艺长筒形淬火硬度冷却介质高温区淬火槽技术指标冷却性能零件热处理;
Abstract: <正> 引言 某产品的筒形零件系用30CrMnSiA,规格为φ95×7mm的无缝钢管制成,长为650mm。其热处理调质工艺,原采用3#锭子油作淬火介质。对于保证零件所要求的技术指标:σb≥120kgf/mm2、σ5≥7%、HRC40~44,都比较稳定可靠,而且变形也小。但由于该零件是细长筒形零件,每炉20~40件立放在井式电炉里加热880~900℃高温,
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