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Stabilized stainless steel, n—a stainless steel that conforms to a specification that prescribes limits (minimum or range) for
niobium (columbium), tantalum, titanium, or a combinationthereof.
稳定化不锈钢(名词)-符合于规范中所描述铌(钶),钛,或结合的限度(最小或最大)的不锈钢。
DISCUSSION—Such limits are sometimes expressed as a function of the carbon and nitrogen contents.
In an appropriately annealed condition, a stabilized stainless steel will resist sensitization to intergranular corrosion associated
with the precipitation of chromium carbide at grain boundaries as a result of thermal exposure, such as annealing,stress relieving,
welding, or high temperature service. Resistance to sensitization to intergranular corrosion is dependent upon the corrosivity of
the environment. The condition of being stabilized with respect to sensitization is frequently demonstrated by passing one or more
standard corrosion tests for sensitization.
讨论:此限度有时以碳和氮成份的函数去陈述。在适当退火条件下,安定不锈钢将抗内部晶粒腐蚀
的敏化作用,如热暴露的结果一样在晶粒边界有碳化铬沈淀。内部晶粒腐蚀抗敏化作用是根据四周的腐蚀。相对于敏化作用的安定条件通常以通过一个或多个标准腐蚀测试的敏化作用来呈现。
因不是专业人员,所以自已的认知可能有很大的差距。请各位指教。谢谢。 |