China Quality Inspection for Graphite Electrode Hp - RP Graphite Electrode Good Electrical Conductivity – Rongsheng factory and manufacturers | Rongsheng

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China Quality Inspection for Graphite Electrode Hp - RP Graphite Electrode Good Electrical Conductivity – Rongsheng factory and manufacturers | Rongsheng Detail:

Graphite Electrode RP Description

Graphite electrode rp uses domestic petroleum coke and asphalt as raw materials, in accordance with the regular power graphite electrode production processes, calcination, dosing, kneading, forming, baking, graphite and machining refined. The nipple uses one time of impregnation and two time of baking processes.

Properties of Graphite Electrode RP

Good electrical conductivity,
High resistance to thermal shock ,
High mechanical strength,
For steel making electric arc furnace.

Advantages of Graphite Electrode RP

Excellent resistance to thermal shock and conduction,
Good wear resistance, good lubricity and long service life,
The surface can be used for the long life of anti oxidation treatment,
High temperature resistance, corrosion resistance, strong acid resistance.

Technical Characteristics of Graphite Electrode RP

Name	Unit	diameter of electrode 300mm-600mm
		standard		Actual measurement
		Electrode	Nipple	Electrode	Nipple
Specific electrical resistivity	μOhm • m	9.0-10.5	8.5	8.0-9.0	7.5
Limit of mechanical resistance to bending	MPa	6.4-7.8	13	9.0-10	15
Elastic modulus	GPa	9.3	14	9	13.7
Ash content, not more than	%	0.5	0.3	0.5	0.3
Bulk density, not less than	g / cm3	1.52	1.68	1.56-1.62	1.7.
Thermal coefficient of linear expansion	× 10-6 / ℃	2.9	2.8.	2.4	2.2

The Length & Diameter & Permissible Deviation of the Electrode

A type	Diameter		Length
	Nominal diameter		Nominal length	tolerance
	Millimeter (mm)	Inch (inch)	Nominal length	tolerance
Small type	75	2.95	1200/1400	± 100
	86	3.38		± 100
	100	3.93		± 100
	130	5.11		± 100
	150	5.9	1600/1800	± 100
	200	7.87		± 100
	225	8.85		± 100
	250	9.84		± 100
Common Type	300	12	1600/1800/2000/2200	± 100
	350	14		± 100
	400	16		± 100
	450	18		± 100
	500	20		± 100
	550	22		± 100
	600	24		± 100
Large type	780	30.7	2000	± 100
	800	31.49		± 100
	850	33.46		± 100
	960	37.79		± 100
	1200	47.24		± 100

Graphite Electrode RP Current Capacity

Nominal diameter		Permissible current power	The current density (A / cm2)
Millimeter (mm)	Inch (inch)	Permissible current power	The current density (A / cm2)
300	12	10000-13000	14-18
350	14	13500-18000	14-18
400	16	18000-23500	14-18
450	18	22000-27000	13-17
500	20	25000-32000	13-16
600	24	30000-36000	12-15

Applications of Graphite Electrode RP

Graphite electrode RP is used in an electric smelting furnace or an arc furnace of a total power for smelting steel, silicon, yellow phosphorus, etc. and RP Graphite electrode can be widely used in the electric smelting furnace for producing the ferroalloy, pure silicon, yellow phosphorus, copper matte, calcium carbide and so on.

Graphite Electrode RP Manufacturer from RS Refractory Factory

RS refractory factory as a professional graphite electrode rp manufacturer in china, have many competitive advantages in the market. if you have demand of rp graphite electrodes, or have some questions on rp graphite electrode about physical and chemical indicators, please contact us for free, we will provide you with high quality rp graphite electrodes.

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