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400mm - 800mm High Performance HP Graphite Electrodes For Advanced Metallurgical Processes

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400mm - 800mm High Performance HP Graphite Electrodes For Advanced Metallurgical Processes

Large Image : 400mm - 800mm High Performance HP Graphite Electrodes For Advanced Metallurgical Processes

Product Details:

Place of Origin:	CHINA
Brand Name:	HUATAO
Certification:	CE, ISO
Model Number:	HTGE02

Payment & Shipping Terms:

Minimum Order Quantity:	20Tons
Price:	1450-3000 USD/ ton
Packaging Details:	Wooden Pallet
Delivery Time:	15-30days
Payment Terms:	T/T, Western Union, MoneyGram, L/C
Supply Ability:	200Tons per month

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Detailed Product Description

Raw Materials:	Premium Needle Coke And High-grade Coal Tar Pitch	Current Density:	Up To 25A/cm² For High-power Applications
Ash Content:	≤0.25%, Ensuring Purity In Smelting	Thermal Expansion Coefficient:	Low, Minimizing Thermal Stress Fractures
Mechanical Strength:	High Resistance To Breakage During Handling And Use	Electrical Resistivity:	Low For Efficient Current Transmission
Diameter Range:	400mm - 800mm, Customizable Lengths Available	Oxidation Resistance:	Coated With Specialized Anti-oxidation Layer
Highlight:	400mm hp graphite electrode , Advanced Metallurgical Processes hp graphite electrode , 800mm High Performance graphite electrode

High-Performance HP Graphite Electrodes for Advanced Metallurgical Processes

Description For High-Performance HP Graphite Electrodes For Advanced Metallurgical Processes:

Engineered for superior conductivity and extended lifespan, our HP Graphite Electrodes optimize metallurgical operations, reducing consumption and enhancing efficiency in high-power electric furnaces.

HP Graphite Electrodes, or High-Power Graphite Electrodes, are essential components for modern high-power electric arc furnaces in steelmaking, ferrous alloy production, and other demanding metallurgical processes. These electrodes are manufactured using carefully selected needle coke and high-grade coal tar pitch, ensuring superior physical and electrical properties.

The advanced raw materials and meticulous manufacturing process endow HP Graphite Electrodes with exceptional performance. Their ability to withstand current densities up to 25A/cm² makes them ideal for high-power applications, enabling faster melting rates and shorter furnace cycles. The ultra-low ash content of ≤0.25% significantly reduces the introduction of impurities during smelting, contributing to higher-quality end products.

One of the key features is the low thermal expansion coefficient, which effectively mitigates thermal stress and reduces the risk of fractures caused by rapid temperature changes within the furnace. This, combined with high mechanical strength, ensures the electrodes maintain integrity throughout their service life, even under rigorous operating conditions.

To further enhance durability, our HP Graphite Electrodes are coated with a specialized anti-oxidation layer. This coating significantly extends the electrode lifespan by reducing oxidation losses at high temperatures, thereby minimizing consumption and operational costs. The electrodes' low electrical resistivity facilitates efficient current transmission, optimizing energy utilization and improving overall process efficiency.

During production, each electrode undergoes stringent quality control measures, from raw material inspection to final machining. Precision manufacturing techniques ensure consistent dimensions and tight tolerances, enabling seamless assembly and reliable performance in the furnace.

In terms of applications, HP Graphite Electrodes are widely used in high-power electric arc furnaces for steel scrap melting, production of stainless steel, and various ferrous alloys. Their high-performance characteristics make them indispensable for achieving high productivity and cost-effective operations in modern metallurgy.

Specification For High-Performance HP Graphite Electrodes For Advanced Metallurgical Processes:

Physico-chemical Specifications of HP Graphite Electrode
Items		Unit	Diameter ( mm )
			200-300mm	Typical Value	350-400 mm	Typical Value	450-500 mm	Typical Value	550-700 mm	Typical Value
			8-16 Inch		14-16 Inch		18-20 Inch		22-28 Inch
Specific Resistance≤	Electrode	μΩ.m	6.6	6.0	6.5	6.0	6.3	6.0	6.0	6.0
	Nipple		5.5	4.8	5.2	4.8	5.0	4.8	4.8	4.8
Bending Strength ≥	Electrode	MPa	10.0		10.5		10.5		10.5
	Nipple		16.0		18.0		18.0		18.0
Young's Modulus ≤	Electrode	GPa	12.0		14.0		14.0		14.0
	Nipple		16.0		18.0		18.0		18.0
Bulk Density	Electrode	g/cm³	1.68	1.72	1.70	1.72	1.72	1.72	1.72	1.72
	Nipple		1.72	1.80	1.75	1.80	1.76	1.80	1.80	1.80
(100℃-600℃) CTE ≤	Electrode	X10 -6/℃	2.4		2.2		2.2		2.2
	Nipple		2.2		1.63		1.6		1.6
Ash Content ≤		%	0.3		0.3		0.3		0.3
Note: Ash content is only for reference.

PHYSICAL&CHEMICAL PROPERTLES OF ELECTRODE AND NIPPLE
Item		Unit	Nominal Diameter(mm)
			RP		HP		UHP
			300~450	500~800	350 ~500	550 ~700	350~500		550~750
							Guaranteed	Typical	Guaranteed	Typical

Specific Resistance LSR≤	(E) Electrode	μ2*m	9 - 10.5	9 - 10.5	7.5	7.5	6.3	5.0 - 6.0	5.8	4.8 - 5.5
	(N) Nipple		8	8	6.3	6.3	5.3	3.8 - 4.5	4.3	3.5 - 4.1
Bending Strength ≥	(E) Electrode	Mpa	7	6.5	10	8.5	10.5	11.0 - 13.0	10	10.0 - 13.0
	(N) Nipple		15	15	17	17	20	20.0 - 25.0	23	24.0 - 30.0
Young's Modulus ≤	(E) Electrode	Gpa	9.3	9.3	14	14	14	8.0 - 12.0	14	7.0 - 10.0
	(N) Nipple		14	14	16	16	20	12.0 - 16.0	22	16.0 - 21.0
Bulk Density	(E) Electrode	g/cm³	1.53	1.52	1.6	1.6	1.66	1.68 - 1.73	1.68	1.69 - 1.73
	(N) Nipple		1.7	1.7	1.72	1.72	1.75	1.76 - 1.82	1.78	1.79 - 1.84
(100℃-600℃) CTE ≤	(E) Electrode	10-6/℃	2.9	2.9	2.4	2.4	1.5	1.3 - 1.5	1.5	1.3 - 1.5
	(N) Nipple		2.8	2.8	2.2	2.2	1.4	1.0 - 1.3	1.3	1.0 - 1.3
Ash Content ≤		%	0.5	0.5	0.5	0.5	0.5	0.2 - 0.4	0.5	0.2 - 0.4

Raphite Electrode Size&Tolerance
Name		Eactroda Diarmetar		Eecros Length
Damter x Length		Maximum	Minimum	Maximum
inch	mm	mm	mm	mm	mm
14×60	350×1500	357	352	1550	1400
14×72	350×1800			1875	1700
14×96	350×2400			2475	2275
16×60	400×1500	409	403	1550	1400
16×72	400×1800			1875	1700
16×96	400×2400			2475	2275
18×72	450×1800	460	454	1875	1700
18×96	450×2400			2475	2275
18×110	450×2700			2850	2550
20×72	500×1800	511	505	1875	1700
20×84	500×2100			2175	1975
20×96	500×2400			2475	2275
20×110	500×2700			2850	2550
22×84	550×2100	562	556	2175	1975
22×96	550×2400			2475	2275
24×84	600×2100	613	607	2175	1975
24×96	600×2400			2475	2275
24×110	600×2700			2850	2550
26×110	650×2700	663	657	2850	2550
28×110	700×2700	714	708	2850	2550

Suggested Graphite Electrode Operation Current Capacity
Nominal Diameter		Operation Current (Ampere)
inch	mm	RP Graphite Electrode	HP Graphite Electrode	UHP Graphite Electrode
3	φ75	1300-2000	—	—-
4	φ100	1800-3000	—	—-
5	φ130	2800-4200	—	—

6	φ150	4000-5000	—-	—-
8	φ200	4800-9000	6000-9000
10	φ250	8000-12000	9000-14000	8100-12200

12	φ300	11000-16000	14500-18500	15000-22000
14	φ350	15000-22000	19000-28000	20000-30000
16	φ400	20000-28000	23000-35000	25000-40000

18	φ450	24000-34000	30000-42000	32000-45000
20	φ500	28000-42000	35000-50000	38000-55000
22	φ550	31000-45000	35000-55000	42000-66000

24	φ600	32000-46000	40000-62000	60000-90000
26	φ650	35000-48000	45000-72000	60000-90000
28	φ700	39000-49000	48000-75000	70000-120000

Note: On EAF, the current is suggested to be reduced by 10%; On LF, it might be increased by 10%.

Machining Dimension Of Electrode And Nipple
Unit(mm)
Applicable	Inch	Nominal Diameter	Nipple		D2	Socket		Thread Pitch
			Large Diameter	Length	Medium Diameter	Small Diameter	Depth
RP/HP/UHP Graphite Electrode	12	300	177.16	270.9	172.95	168.73	141.5	8.47
	14	350	215.9	304.8	211.69	207.47	158.4
	16	400	215.9	304.8	211.69	207.47	158.4
	16	400	241.3	338.7	237.09	232.87	175.3
	18	450	241.3	338.7	237.09	232.87	175.3
	18	450	273.05	355.6	268.84	264.62	183.8
	20	500	273.05	355.6	268.84	264.62	183.8
	20	500	298.45	372.6	294.24	290.02	192.2
	22	550	298.45	372.6	294.24	290.02	192.2
	12	300	177.8	215.9	174.64	171.48	114	6.35
	14	350	203.2	254	200.04	196.88	133
	16	400	222.25	304.8	219.09	215.93	158.4
	16	400	222.25	355.6	219.09	215.93	183.8
	18	450	241.3	304.8	238.14	234.98	158.4
	18	450	241.3	355.6	238.14	234.98	183.8
	20	500	269.88	355.6	266.72	263.56	183.8
	20	500	269.88	457.2	266.72	263.56	234.6
	22	550	298.45	355.6	295.29	292.13	183.8
	22	550	298.45	457.2	295.29	292.13	234.6
	24	600	317.5	355.6	314.34	311.18	183.8
	24	600	317.5	457.2	314.34	311.18	234.6
	26	650	355.6	457.2	352.44	349.28	234.6
	26	650	355.6	558.8	352.44	349.28	285.4
	28	700	374.65	457.2	371.49	368.33	234.6
	28	700	374.65	558.8	371.49	368.33	285.4
	30	750	406.4	584.6	403.24	400.08	260
	30	750	406.4	609.8	403.24	400.08	310.08
	32	800	431.8	635	428.64	425.48	323.5