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提出了2009年新版国家标准“GB/T 1348-2009球墨铸铁件”中的10个问题,与大家商榷。作者一一评析,阐明了自己的观点;重点对“试验结果的评定与复验”的规定详细讨论,分析了新国标中各种复验结果的评定方法对产品存在的风险概率;文章将新国标与1988年版国标、国际标准ISO 1083:2004、美国标准ASTM A536-84(R2004)作比较,指出了新国标的不足,得出新国标难以贯彻执行的原因不是过严而是过松的结论。给出了几点修订的意见,提出了加验的概念,强调加验不能在产品高风险的情况下进行。
Put forward in 2009 a new version of the national standard “GB / T 1348-2009 ductile iron ” in the 10 questions, to discuss with you. The author reviews and clarifies his point of view. The discussion focuses on the provisions of “Evaluation and Retesting of Test Results”, and analyzes the risk probability of each reinspection result in the new national standard on the risk of the product. Article The new national standard and the 1988 edition of the national standard, the international standard ISO 1083: 2004, the American standard ASTM A536-84 (R2004) for comparison, pointed out that the lack of a new national standard, draw a new national standard is difficult to implement the reason is not too strict but too loose Conclusion. Given a few comments on the revision, put forward the concept of an additional inspection, emphasizing the Canadian inspection can not be carried out in the case of high-risk products.