Products

UHP Graphite Electrode

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Product description

UHP Graphite electrode have the characteristics of high strength,good electrical conductivity,good thermal shock resistance and low consumption,etc., meanwhile reducing manufacturing costs.

Technical indicators for graphite electrode

TECHNICAL INDICATORS FOR GRAPHITE ELECTRODE		BULK DENSITY g/cm³		RESISTIVITY μΩ.m		BENDING STRENGTH Mpa		C•T•E(100-600℃) 10-6/℃		ELASTIC MODULUS Gpa
		Electrode	Nipple	Electrode	Nipple	Electrode	Nipple	Electrode	Nipple	Electrode	Nipple
UHP GRAPHITE ELECTRODE	φ350-φ450	1.66~1.74	1.80~1.86	4.2~5.8	3.0~4.0	10.5~15.5	23~32	1.0~1.4	0.9~1.2	9.0~13.0	15~21
	φ500-φ700					10.0~15.0
HP GRAPHITE ELECTRODE	φ350-φ450	1.65~1.73	1.77~1.82	5.0~6.2	3.4~4.4	10.5~15.5	21~26	1.6~1.9	1.3~1.6	9.0~12.0	12~18
	φ500-φ700			5.3~4.6		10.0~15.0
RP GRAPHITE ELECTRODE	φ350-φ450	1.54~1.62	1.73~1.78	7.0~8.8	4.2~5.2	7.5~9.5	17~22	2.0~2.4	1.7~2.0	6.5~9.0	10~16
	φ500-φ700			7.5~9.5		6.5~8.5

Recommended current load table for graphite electrode

NOMINAL DIAMETER	UHP GRAPHITE ELECTRODE		HP GRAPHITE ELECTRODE		RP GRAPHITE ELECTRODE
mm	A	A/C ㎡	A	A/C ㎡	A	A/C ㎡
200			5500~9000	18~25	5000~6900	15~21
250			8000~13000	18~25	7000~10000	14~20
300	15000~22000	20~30	13000~17400	17~24	10000~13000	14~18
350	20000~30000	20~30	17400~24000	17~24	13500~18000	14~18
400	25000~40000	19~30	21000~31000	16~24	18000~23500	14~18
450	32000~45000	19~27	25000~40000	15~24	22000~27000	13~17
500	38000~55000	18~27	30000~48000	15~24	25000~32000	13~16
550	45000~65000	18~27	34000~53000	14~22	28000~34000	12~14
600	52000~75000	18~26	38000~58000	13~21	30000~36000	11~13
650	60000~85000	18~25	41000~65000	12~20	32000~39000	10~12
700	70000~100000	18~25	45000~72000	12~19	34000~42000	9~11