摘要
铸铁是一种传统的常用材料,国际标准化组织、欧盟和主要工业国家都有铸铁系列标准。为了便于国际交流,有必要了解国际铸铁标准的发展和国内外主要铸铁标准牌号的含义。介绍了国际标准化组织制定的铸铁标准体系,并与我国国家标准体系进行了对比分析;列出了我国国家标准铸铁牌号与国际标准化组织标准、欧盟标准、美国材料学会标准、美国汽车工程师学会标准和日本标准牌号的对照表。我国铸铁国家标准基本上已与国际先进标准接轨,并且我国还制定了实用性强、能有效指导生产实际的系列铸铁金相检验标准。
Cast irons are a kind of traditional engineering materials. ISO, EU and major industrial countries have their own series standards for cast irons. In order to facilitate international exchange, it is necessary to understand the different grade designations of cast irons. The article introduces ISO cast iron standard system and makes a comparative analysis with China national standard system of cast irons. Cast iron grades specified by SAC, ISO, UE, ASTM, SAE and JIS are introduced and their difference are pointed out. China national standards of cast irons have basically been in line with the advanced international standards, and a series of metallographic inspection standards for cast irons have been especially formulated, with strong practicability and effective guidance for production.
引文
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