China RP Graphite Electrode Supplier | Heyuan Carbon

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China RP Graphite Electrode Supplier | Heyuan Carbon

RP Graphite Electrode

Diameter: Φ75-125, Φ250-300, Φ350, Φ400-500, Φ550-700

Specific Resistance: 8.0-9.0 (≤, µΩ·m)

Flexure Strength: 6.5-10.0 (≥, MPa)

Elastic Modulus: 9.0-9.3 (≤, GPa)

Bulk Density: 1.60-1.65 (≥, g/cm3)

CTE: 2.9(100℃–60℃ )

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Details

Specification

Physical Properties		Unit	RP Grade (Dia.300-600mm)	HP Grade (Dia.250-700mm)	UHP Grade (Dia.300-700mm)
Electrical Resistance≤	Electrode	μΩ-m	7.8-8.8	5.6-6.8	4.8-5.8
Electrical Resistance≤	Nipple	μΩ-m	5.6-6.5	3.4-4.5	3.0-3.8
Bending Strength≥	Electrode	Mpa	8.0-12.0	11.0-14.0	10.0-15.0
Bending Strength≥	Nipple	Mpa	15.0-20.0	20.0-24.0	22.0-30.0
Elastic Modulus≤	Electrode	Gpa	7.0-9.3	9.0-12.0	10.0-14.0
Elastic Modulus≤	Nipple	Gpa	12.0-14.0	12.0-18.0	14.0-20.0
Bulk Density≥	Electrode	g/cm3	1.53-1.56	1.72-1.75	1.70-1.74
Bulk Density≥	Nipple	g/cm3	1.70-1.74	1.79-1.84	1.79-1.88
CTE≤	Electrode	×10-6/°C	2.2-2.7	1.7-2.0	1.2-1.4
CTE≤	Nipple	×10-6/°C	2.0-2.5	1.4-1.8	1.0-1.2
Ash≤	Electrode	%	0.30	0.20	0.20
Ash≤	Nipple	%	0.30	0.20	0.20

Applications

application-RP-GRAPHITE-ELECTRODE

Electrodes in electric arc furnace and ladle refining furnace for steel making;

Electrodes in electric smelting furnace for producing industrial silicon, yellow phosphorus, corundum and so on.

Programmable properties

Good electrical conductivity.

High resistance to thermal shock.

High mechanical strength.

Process

process-RP-GRAPHITE-ELECTRODE

Equipment

equiment-RP-GRAPHITE-ELECTRODE

Delivery

delivery-RP-GRAPHITE-ELECTRODE

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