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high-strength stainless steel
met.
高强度不锈钢
(【技】目前尚无统一的定义,一般泛指强度高于通用奥氏体铬镍不锈钢,特别是高于双相不锈钢强度的不锈钢。它是随航空航天等国防军工高速发展的产物,一般包括奥氏体冷作硬化不锈钢、沉淀硬化不锈钢、马氏体不锈钢、马氏体时效不锈钢几大类,有50多个钢号。强化机制因钢类而异,主要有马氏体相变强化、沉淀强化、冷作硬化、细晶强化等。该类钢的强度级别已达1700 ~ 1800MPa, 常用的强度级别为 1200 ~ 1600MPa。)
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高强度不锈钢
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