论文部分内容阅读
为适应社会主义市场经济需要,与国际标准接轨,国家质量技术监督局参照国外钢铁产品牌号表示方法和根据目前国内牌号表示方法的变化情况,对旧标准GB/T221-1979《钢铁产品牌号表示方法》进行修订,于2000年11月1日正式实施新的国家标准GB/T221—2000《钢铁产品牌号表示方法》。为让广大读者对新国标的最新钢铁产品牌号表示方法有所了解,本刊将《表示方法》中的新国标及新、旧国家标准的主要差异作一简介,以期对使用者有所帮助。
In order to meet the needs of the socialist market economy, with international standards, the State Bureau of Quality and Technical Supervision reference to foreign steel product grades that according to the current method of representation and changes in domestic brands, the old standard GB / T221-1979 “steel product brand representation ”For amendment, in November 1, 2000 the official implementation of the new national standard GB / T221-2000“ steel product grades that method. ” In order to let readers understand the latest national and international steel product brand representation method, we briefly introduce the main differences between the new national standard and the new and old national standards in the “presentation method”, in the hope of helping the users.