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本文提要:淬火介质的发展趋势;79—1型、79—2型的成份及冷却特性;79—2型的主要物理性能及其对合金工具钢的淬硬性、淬透性;促成冷却特性的因素;应用范围;双水间气淬火工艺探讨。
This article summary: the development trend of quenching medium; 79-1 type, 79-2 type of components and cooling characteristics; 79-2 type of the main physical properties and its hardenability of alloy tool steel hardenability; to promote cooling characteristics Factors; application range; dual water gas quenching process