Tool steel is generally purchased in the annealed condition. Sometimes it is necessary to rework a tool that has been hardened, and the tool must then be annealed. For.
退火。退火工艺的组成为把钢加热到一定温度并保持一段时间，通常再缓慢冷却。退火是为了产生均匀化从而建立起有一致的特有性质的标准均匀化组织。
The influence of process condition such as spinning pack, cooling condition, collection oiling, annealed zone, drawing condition etc on products quality were expounded.
探讨纺丝组件、冷却条件及集束上油、缓冷区、拉伸工艺等条件对产品质量的影响。
The ductile-embrittlement transition temperature of vermicular graphite cast iron increased with increasing phosphorus content both in the as-cast and annealed condition.
蠕铁的韧性——脆性转变温度铸态和退火态均随磷含量的增加而升高。
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