NINGXIA CARBONVALLEY INTERNATIONAL CO.,LTD(NORTHWEST INDUSTRY CO.,LTD)

      Half of graphite carbon brick with high temperature point section of anthracite as main raw materials, medium temperature pitch as binder, forming after the high temperature roasting, finish machining. The product has certain coefficient of thermal conductivity, good alkali resistance, can meet the basic requirement of blast furnace, mainly is suitable for the blast furnace throat opening position.

Half of graphite carbon block   YB/T4037-1991
Item		Ash（%）≥	True density（g/cm3)≥	Thermal conductivity 800℃ w/(m.k)≥	Compression strength（Mpa）≥	Volume density（g/cm3)≥	Breaking strength（Mpa）≥	grade-	Porosity（%）≤
YB/T4037-1991		8	1.90	7	30	1.50	7.8	U或LC	20
connecting key	carbon key	6	1.90	—	31	1.50	14.7	_	22
	graphite key	2.0	2.18	­—	27.4	1.55	10.8	_	28

 

炭化硅质炭块 silicon carbide carbon block
项目	固定碳（%）﹥	碳硅含量（%）﹥	抗压强度（Mpa）	显气孔率（%）﹤	体积密度（g/cm3) ﹥	导热率
指标	50	20	34.3	19	1.90	23.26