قطب جرافيت كبير الحجم

Large-size graphite electrodes (φ780-φ1400mm) are widely used in mine thermoelectric furnaces, and the current density can reach 12-15A/square centimeter. Only a few companies in China have the strength to produce large-size graphite electrodes.

Product Description

ITEM	RP 250mm/ RP150		HP 200/250/300/350/400mm		HP 450mm		UHP 450/500/550/600/650/700mm
	Electrode	Nipple	Electrode	Nipple	Electrode	Nipple	Electrode	Nipple
Electrical Resistance Max. (µΩ-m)	8	6	6.5	4	5.8	3.8	5	3.5
Flexural Strength Min. (Mpa)	11	14	11	20	14	25	14	25
Elastic Modulus Max. (Gpa)	9.3	13.7	12	17	13	18	12	18
Bulk Density Min. (g/cm3)	1.6	1.72	1.7	1.78	1.7	1.8	1.7	1.8
C.T.E (100-600)℃ Max.	2.7	2.5	2.4	2.2	1.4	1.2	1.3	1
Ash (%) Max.	0.3	0.3	0.3	0.3	0.3	0.3	0.3	0.3

Nominal Diameter mm	Max. Current Load A	Max Current Density A/cm2
960	72350	10
1020	73500	9
1060	79380	9
1100	85490	9
1146	92780	9
1197	95600	8.5
1250	104260	8.5
1272	107960	8.5
1305	113630	8.5
1321	109590	8
1400	123090	8