Graphite electrode

Type: Diameter75-600mm
Name: Regular power Graphite Electrode
Description: Regular power Graphite Electrode

Technical properties of graphite electrode
1. Physical and chemical index
ltem	unit	Nominal Diameter(mm)
		YB/T4088-2000				Typical Values
		Industry Standard
		75-130	150-225	250-300	350-550	75-130	150-225	250-300	300-550
Electric Resistivity	Electrode	μΩ·m	≤9.0	≤9.0	≤9.0	≤9.0	≤8.0	≤8.5	≤8.5	≤9.0
	Nipple		≤8.5	≤8.5	≤8.5	≤8.5	≤6.5	≤6.8	≤7.0	≤7.0
Bending strength	Electrode	Mpa	≥9.8	≥9.8	≥7.8	≥6.4	≥9.8	≥7.8	≥7.8	≥8.0
	Nipple		≥13.0	≥13.0	≥13.0	≥13.0	≥13	≥13.0	≥13.0	≥15.0
Elastic modulus	Electrode	Gpa	≤9.3	≤9.3	≤9.3	≤9.3	≤9.3	≤9.3	≤9.3	≤9.0
	Nipple		≤14.0	≤14.0	≤14.0	≤14.0	≤14.0	≤14.0	≤14.0	≤13.0
Bulk density	Electrode	g/cm3	≥1.58	≥1.52	≥1.52	≥1.52	≥1.60	≥1.56	≥1.56	≥1.55
	Nipple		≥1.63	≥1.63	≥1.68	≥1.68	≥1.70	≥1.72	≥1.72	≥1.70
Ash	Electrode	％	≤0.5	≤0.5	≤0.5	≤0.5		≤0.4	≤0.4
							≤0.4			≤0.4
	Nipple
CTE （100-600）℃	Electrode	10-6/℃	≤2.9	≤2.9	≤2.9	≤2.9	≤2.8	≤2.8	≤2.8	≤2.7
	Nipple		≤2.7	≤2.7	≤2.8	≤2.8	≤2.6	≤2.6	≤2.6	≤2.5