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Quick Details

Flexural Strength (N/㎡):	5.0-6.2
Thermal Expansion:	2.9
Apparent Density (g/cm3 ):	1.56-1.58
Resistance (μΩ.m):	12.0-15.0
Diameter:	100-1400
Model Number:	graphite electrode
Brand Name:	BD
Place of Origin:	China (Mainland)

Specifications

Large size diameter graphite electrode
Physical and chemical indexes
Items		Unit	Nominal Diameter (mm)
			Ф650~Ф750	Ф780~Ф960	Ф1005~Ф1310
Specific Resistance	Electrode	μΩm	12.0 max	13.0 max	15.0 max
	Nipple		7.5 max	7.5 max	7.5 max
Bending Strength	Electrode	MPa	6.0 min	5.2 min	5.0 min
	Nipple		13.0 min	13.0 min	13.0 min
Elactic Modulus	Electrode	GPa	12.0 max	12.0 max	12.0 max
	Nipple		14.0 max	14.0 max	14.0 max
Bulk Density	Electrode	g/cm3	1.58 min	1.58 min	1.56 min
	Nipple		1.68 min	1.68 min	1.68 min
C.T.E.	Electrode	1 x 10-6/℃	2.9 max	2.9 max	2.9 max
	Nipple		2.8 max	2.8 max	2.8 max
Ash		%	0.5 max	0.5 max	0.5 max

Large size diameter graphite electrode
Electrode diameter(mm)		Allowable max current load(A)		Allowable max current density(A/cm2)
Ф650		43100		13
Ф700		46200		12
Ф780		57300		12
Ф800		60300		12
Ф850		62400		11
Ф900		69900		11
Ф960		72400		10
Ф1005		79200		10
Ф1020		73500		9
Ф1060		79400		9
Ф1100		85500		9
Ф1146		92800		9
Ф1272		101600		8
Ф1310		107770		8