• G grade Carbon Electrode CNBM China 500-700 System 1
  • G grade Carbon Electrode CNBM China 500-700 System 2
  • G grade Carbon Electrode CNBM China 500-700 System 3
G grade Carbon Electrode CNBM China 500-700

G grade Carbon Electrode CNBM China 500-700

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
0 m.t.
Supply Capability:
100000 m.t./month

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Packaging & Delivery

Packaging DetaiWOODEN CRATES
Delivery Detail:BASE ON THE QUANTITY OF ORDER

Specifications

1.Diameter:40 - 600mm or1.6"-24" 
2.Length: 250 - 2400mm or10"-96" 
3.Grades:  RP, RPI, HP, SHP, UHP(ISO9001:2008standard) 
4.Nipples:3TPI,4TPI 

 

Usage

Used in EAF and LF for steel making, as well as in electric smelting furnace for producing industrial silicon, phosphorus, etc.

 

Features
1.Good electrical conductivity
2.High resistance to thermal shock 
3.High mechanical strength

 

Grades:  RP, RPI, HP, SHP, UHP

Diameter:40 - 600mm or1.6"-24"
Length: 250 - 2400mm or10"-96"

All graphite electrodes are offered with tapered nipples, i.e. 3 or 4 threads per inch, and meet the internationally accepted tolerances as per NEMA CG 1/ IEC 60239 / JIS R7201 standards.

 

We can manafacture and export graphite electrodes in different grade ,shape and dimension.Whenever you need it ,please feel free to let us know.we promise you the top quality and lower price.


Specifications

1.Diameter:40 - 600mm or1.6"-24" 
2.Length: 250 - 2400mm or10"-96" 
3.Grades:  RP, RPI, HP, SHP, UHP(ISO9001:2008standard) 
4.Nipples:3TPI,4TPI 


Item

S GRADE

G grade

Φ500~Φ700

Φ750~Φ960

Φ1020~Φ1400

Φ500~Φ700

Φ750~Φ960

Φ1020~Φ1400

Rs
 μΩ.m

≤45

≤45

≤45

≤38

≤38

≤40

Bulk Desity

g/cm3

≥1.55

≥1.55

≥1.55

≥1.58

≥1.58

≥1.58

Bending Strength
 MPa

3.5~7.5

3.5~7.5

3.5~7.0

4.0~7.5

4.0~7.5

4.0~7.5

Compressive Strength
 MPa

≥20.0

≥20.0

≥19.0

≥20.0

≥20.0

≥19.0

Thermal  Expansivity
 10-6/℃

3.2~4.8

3.2~4.8

3.2~4.8

3.0~4.6

3.0~4.6

3.0~4.6

Ash
 %

≤2.5

≤2.5

≤2.5

≤2.0

≤2.0

≤2.0





G grade Carbon Electrode CNBM China 500-700

G grade Carbon Electrode CNBM China 500-700


Q:Why should graphite paper be placed between the heater and the graphite electrode?
Determine the thickness of the graphite bowl, the thickness of the graphite bowl is generally 3 mm -6 mm, three, determine the diameter of the heater, according to the diameter of the crucible and the thickness of the graphite bowl, calculate the inner diameter of the heater. The gap in the quartz crucible diameter phi = +2 times is +2 times the wall thickness of stone bowl bowl and graphite heater if the graphite bowl wall thickness is a, graphite bowl gap and heater for B (b=5 mm), phi = Phi Phi +2a+2b= within the outer crucible outer crucible +2 (a+b) four, to determine the effective heater the height after practice, the effective length of the quartz crucible heater is high 1.6 to 1.8 times.
Q:Graphite is made of high-strength graphite, it is a kind of graphite grade specification.
The difference is: the graphite bar may be machined graphite electrode materials may be insulated with material of graphite. Graphite electrode is an electrode product to guide the processing of graphite material with good electrical properties. Bars are usually cylindrical.
Q:The reason why graphite is used as electrode
Graphite has good thermal stabilityThe softening point of copper in 1000 degrees, easily deformed by heat, the melting point of graphite is 3850 + 50 DEG C, the boiling point of 4250 DEG C, even after the ultra high temperature arc ignition, the weight loss is very small, the thermal expansion coefficient is small. The strength of graphite increases with the increase of temperature, and the strength of graphite is doubled at 2000 degrees centigrade. In comparison, the thermal expansion coefficient of graphite material is only 1/30 of copper material.
Q:Please senior doubts. The graphite electrode is used in the mold cavity In what case is graphite processing taken?
Graphite electrode has better machining stability and high production efficiency. It is easy to be used as EDM electrode material in EDM when it is processed with long pulse width and high current.
Q:Classification of graphite electrodes
Allows the use of current density of less than 17A/ cm 2 graphite electrode, mainly used for steelmaking, smelting silicon, yellow phosphorus and other ordinary power furnace.
Q:How can the graphite powder be processed into high quality carburizing agent? Thank you
If you are through the material can also be screened and then sold, usually 1-5 of the particle size, fine powder can only add adhesive column
Q:Graphite powder produced by graphite electrode and what we usually call graphite is a kind of thing?
Coal tar pitch as binder is made by calcination, batching, kneading, pressing, roasting, graphitization and machining
Q:Can high-purity graphite be used as an electrode?
The utility model has the advantages of small density and suitable tool electrodes for processing large parts or moulds, and the whole quality is small.
Q:How to improve the efficiency of graphite electrode milling, please tell me
When the tool is broken, it will not only stop the continuous processing of the steel, but also affect the quality of the product, which will lead to the scrap of the parts and the waste of the material. Considering the foreseeable future, the graphite electrode will occupy a high position, usually used equipment for processing graphite electrode the highest efficiency mold manufacturers will unremittingly, expand and between those determined to use the hard steel processing manufacturer competition gap. The foundation of micro cutting tools, in terms of graphite electrodes, is one of its most magical words: "high speed."". The spindle speed of the high speed machining center is up to 30000~60000r/min, and the feed speed can be increased to shorten the processing period and improve the quality of the surface and edge. The motor needed to drive this type of spindle is relatively small and light, which helps to reduce cutting power and reduce tool breakage. This is critical because many of the electrodes are complex, and their production involves small, easily broken micro tools (see Figure 1).
Q:The production of one ton of steel required graphite electrode
The consumption of graphite electrode in steelmaking in arc furnace, according to the different material, different specifications of graphite electrode used (normal power graphite electrode, high power graphite electrode, ultra high power graphite electrode) have relations.

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