标准名称：	卧式轮轴压装机 产品质量分等
替代情况：	JB/ZQ8224-89
发布部门：	西安重型所
发布日期：	1900-01-01
实施日期：	1900-01-01
首发日期：	1900-01-01
作废日期：	1900-01-01
出版日期：	1900-01-01

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Product Code:SAE AMS5642
Title:Steel, Corrosion and Heat Resistant, Bars, Wire, and Forgings 18Cr 10.5Ni 0.60 (Cb+Ta), Free-Machining, Solution Heat Treated (Cancelled Oct 1993)
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope: This specification covers two types of free-machining, corrosion and heat resistant steel in the form of bars, wire, forgings, and forging stock. These products have been used typically for parts on which the amount of machining warrants the use of a free-machining grade of steel, requiring corrosion resistance similar to the 18-8 type of steel, and which will be subjected to high temperatures during fabrication or in service, except that it is not intended or parts to be brazed at temperatures higher than 1350 degrees F (732 degrees C) or to be fusion welded, but usage is not limited to such applications. The steels covered by this specification are classified as follows: Type 1 18Cr 10.5Ni 0.26S (Cb+Ta); and Type 2 - 18Cr 10.5Ni 0.14P 0.25Se (Cb+Ta). Unless a specific type is specified, either type may be supplied. UNS Number: S34720 UNS Number: S34723