Graphite Electrodes

Features

Graphite electrodes have good electrical and chemical properties, as well as high mechanical strength and good seismic performance at high temperatures. It is a good thermal and electrical conductor, widely used in arc furnace steelmaking, refining furnaces, ferroalloy production, industrial silicon, phosphorous corundum and other submerged arc furnaces, as well as high-temperature electric furnaces such as arc furnace melting.

Product Detail

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Why choose us

Graphite electrodes are used in the electric smelting industry and have properties such as superconductivity, thermal conductivity, high mechanical strength, oxidation resistance, and high-temperature corrosion resistance.

Our graphite electrodes have low resistance, high density, high oxidation resistance, and precise machining accuracy, especially low sulfur and low ash, which will not bring secondary impurities to the steel.

Graphite has good chemical stability. Specially treated graphite has the characteristics of corrosion resistance, good thermal conductivity, and low permeability.

Application of graphite electrode

The graphite electrode raw material adopts low sulfur and low ash CPC. Add 30% needle coke to the HP grade electrode of the coking plant asphalt. UHP grade graphite electrodes use 100% needle coke and are widely used in LF. Steel making induction furnace, non-ferrous metal induction furnace. Silicon and phosphorus industries.

How to Choose Graphite

UHP Size and Tolerance
Diameter (mm)						Length (mm)
Nominal diameter		Actual diameter				Nominal length		Tolerance		Short feet length
mm	inch	max		min		mm		mm		max		min
200	8	209		203		1800/2000/ 2200/2300 2400/2700		±100		-100		-275
250	10	258		252
300	12	307		302
350	14	357		352
400	16	409		403
450	18	460		454
500	20	511		505
550	22	556		553
600	24	613		607

Physical and Chemical Index of UHP
Items			unit		Diameter: 300-600mm
					Standard				Test data
					Electrode		Nipple		Electrode		Nipple
Electrical resistance			μQm		5.5-6.0		5.0		5.0-5.8		4.5
Flexure strength			Mpa		10.5		16		14-16		18-20
Modulus of elasticity			GPa		14		18		12		14
Ash content			%		0.2		0.2		0.2		0.2
Apparent density			g/cm3		1.64-16.5		1.70-1.72		1.72-1.75		1.78
Factor of expansion(100-600℃)			x10-6/°℃		1.5		1.4		1.3		1.2

FAQ

Q: How about the packing?

1. Standard export cardboard boxes/plywood boxes
2. Customized shipping marks
3. If the packaging method is not safe enough, the QC department will conduct an inspection

Q: What about the time of delivery for big order ?

A: The lead time is based on the quantity, about 7-14days.

Q: What is your trade terms and payment method?

A1: Trade term accept FOB, CFR, CIF, EXW, etc. Also can choose others as your convenience. A2: Payment method usually by T/T, L/C,Western union,Paypal etc.