ICS71.100.10Q52YS中华人民共和国有色金属行业标准YS/T63.25-2012/1S015379.2:2004铝用炭素材料检测方法第25部分：无压不底部炭块钠膨胀率的测定Carbonaceous materials ased in the production of aluminium-Part 25:Cathode blocks-Determination of expansion due to sodiumpenetration without application of pressure(IS015379.2:2004,IDT)2012-05-24发布2012-11-01实施中华人民共和国工业和信息化部发布
