[冶金行业标准] YB/T 5258-1993 镍铁磁粉芯
[冶金行业标准] YB/T 5246-1993 2Cr3WMoV(GH34) 钢锻制圆饼
[冶金行业标准] YB/T 5237-1993 铁镍铜玻封合金4J41
[冶金行业标准] YB/T 5230-1993 铝电解用炭阳极
[冶金行业标准] YB/T 5229-1993 铝电解用炭阳极
[冶金行业标准] YB/T 5228-1993 铝电解用阳极糊
[冶金行业标准] YB/T 5225-1993 粗直径钢丝绳
[冶金行业标准] YB/T 5218-1993 乐器用钢丝
[冶金行业标准] YB/T 5216-1993 铌锰铁合金
[冶金行业标准] YB/T 5208-1993 菱镁石
[冶金行业标准] YB/T 5206-1993 轻烧镁粉
[冶金行业标准] YB/T 5197-1993 航空用钢丝绳
[冶金行业标准] YB/T 5195-1993 电镀铅锡合金钢带
[冶金行业标准] YB/T 5192-1993 高炉炭块尺寸
[冶金行业标准] YB/T 5188-1993 排水用灰口铸铁直管及管件
[冶金行业标准] YB/T 5186-1993 六角钢丝
[冶金行业标准] YB/T 5185-1993 内燃机用扁钢丝
[冶金行业标准] YB/T 5184-1993 软轴用扁钢丝
[冶金行业标准] YB/T 5182-1993 310乙字型钢
[冶金行业标准] YB/T 5181-1993 22号帽型钢
[冶金行业标准] YB/T 5160-1993 铝电解槽用阴极炭块
[冶金行业标准] YB/T 5153-1993 工业甲基萘
[冶金行业标准] YB/T 5152-1993 铸铁砂
[冶金行业标准] YB/T 5151-1993 铸铁丸
[冶金行业标准] YB/T 5150-1993 铸钢砂