1、YS/T659-2007表1(续)%主成分(质量分数)杂质元素(质量分数),不大于牌号公Ce小ReCaFeMgMoNiSi03.09WCe3.2余量0.0050.0050.0050.0100.0030.0050.0100.0033.420.60WTho.7余量一0.0050.0050.0100.0030.0100.0030.840.85WThl.1余量0.0050.005一0.0100.0030.0100.0031.271.28WThl.5余量0.0050.0050.0100.0030.0100.0031.701.71WThl.9余量0.0050.0050.0100.0030.0100.003
2、2.130.90WRel.0余量0.0050.0050.0100.0030.0100.0031.102.85WRe3.0余量0.0050.0050.0100.0030.0100.0033.155化学成分分析和分析报告5.1鸽及鸽合金产品化学成分的仲裁分析方法按GB/T4324进行。GB/T4324中未包括的元素,其分析方法由供需双方协商确定。5.2除产品标准另有规定之外,允许供方在钨及钨合金粉末治金坯上取样分析。5.3取样时应去除产品表面的氧化层、脏物、油污等,在取样、制样过程中应避免因氧化、腐蚀或污染等改变试样的成分。5.4化学成分分析的数值,其有效位数应与化学成分表中相应界限数值的有效位数一致,数值修约按GB/T8170的有关规定进行,