1. Used in EAF and LF furnace smelting process, Steel plants, Calcium carbide furnace and other  
     metallurgical furnaces to produce yellow phosphorus,industrial silicon, alloy steel
 
2. Featured by high conductivity, high bulk density, low ash,good resistance of oxidation,
    heat impact and thermal shock
 
3. Stringent control process before and during manufacturing process from material chosen
    to the final finishing
 
4. Workers are with craftsmanship and technicians are seniorly experienced
 
5. With reputable after sales service.
 

Item		Unit	Nominal diameter
			YB/T4088-2000		Inner quality standard
			150-300	350-500	200-300	350-500	550-600
Specific resistance	E	μΩ.m	≤10.5	≤10.5	≤8.0	≤9.0	≤9.5
	N		≤8.5	≤8.5	≤6.0	≤6.5	≤7.0
Bending strgenth	E	Mpa	≥9.8	≥6.4	≥10.0	≥8.0	≥8.0
	N		≥13.0	≥13.0	≥14.0	≥14.0	≥14.0
Elastic modulus	E	Gpa	≤9.3	≤9.3	≤10.3	≤10.3	≤10.3
	N		≤14.0	≤14.0	≤14.0	≤14.0	≤14.0
Bulk density	E	g/cm3	≥1.52	≥1.52	≥1.58	≥1.60	≥1.60
	N		≥1.68	≥1.68	≥1.70	≥1.70	≥1.70
Ash	E	%	≤0.5	≤0.5	≤0.5	≤0.5	≤0.5
	N
CTE	E	10-6/℃	≤2.9	≤2.9	≤2.8	≤2.8	≤2.8
	N		≤2.7	≤2.8	≤2.8	≤2.8	≤2.8