GB/T 26295-2010 铝电解用炭素材料 预焙阳极和阴极炭块 四点法测定抗折强度 Carbonaceous materials used in the production of aluminium—Prebaked anodes and cathode blocks—Determination of flexural strength by the four-point method
Carbonaceous materials used in the production of aluminium—Prebaked anodes and cathode blocks—Determination of flexural strength by the four-point method