Basic Info.
Carbon Content
High-Carbon
Forming Way
Isostatic Graphite
Crystal Morphology
Compact Crystalline Graphite
Transport Package
as Your Reuqire
Specification
RP/HP/UHP/SHP
Product Description
We manufacture & export Graphite Electrode for 27 YEARS. We can supply Graphite Electrodes with IMMEDIATE DELIVERY:
Normal Power Graphite Electrodes (NP)
Impregnation Power Graphite Electrodes (IP)
High Power Graphite Electrodes (HP)
Special Power Graphite Electrodes (SHP)
Ultra High Power Graphite Electrodes (UHP)
Supply scope of graphite electrode ( in diameter):
Ф75mm - Ф700mm
Graphite electrode is made of high quality petroleum coke and pitch. This product goes through the process of calcining, matching, blending, modeling, baking, graphitization and machining and etc before it rolls off the line. The nipple of the electrode takes the technology of three-time impregnating and four-time baking to produce.
1,Introduction:
Artificial graphite electrode is made of high-quality low ash materials, such as petroleum coke, needle coke and coal pitch. After calcining, burdening, kneading, forming, baking and pressure impregnation, it is graphitized in a high temperature of over 3000°C, and then treated with machining. Such of the products own characteristics with low resistivity, good electrical conductivity, low ash, even and compact structure, good anti oxidation and high mechanical strength.
2,Strong points that electrodes with other components can not reach:
1.Good thermal stability, the electrode will reach 3,000 degrees Celsius and sublimate at 3550 degrees, which the metal can not withstand this incredible temperature.
2.Low resistivity, only several ohms, which leads low consumption during melting.
3.light, with density of quarter of that of copper. It is easier for delivery and convenient for holding when operation on furnace.
4. materials as pitch, petroleum coke are easy to get.
5.easy machining, high speed is triple or five time than that of other common metals.
3,Important data:
1. Density: The density of a material helps to distinguish it from other materials. Since mass is usually expressed in grams and volume in cubic centimeters, density is expressed in grams/cubic centimeter. In this line, we call bulk density.
2. Mechanical strength: It refers to the compressive, flexural and tensile strength. When the external object and the vertical axis,the first bending moment of break the limit of resistance is as flexural strength (or bending strength). Experience shows the strength of the bending is twice than the flexural strength, which is twice than the tensile strength.
3. Modulus: refers to the material within elastic deformation, stress and strain as the ratio of the elastic modulus. Not only to upgrade the mechanical strength but also to make elastic modulus controlled in a certain context is a tough question for graphite electrode production process.
4. Electronic resistivity: also called resistivity.
5. Thermal conductivity: The material tests specimen under the unit gradient of temperature, when the unit area the quantity of heat which transmits in the unit time.
6. Thermal expansion coefficient: The inflated heating degree of measurement when materials are heated. When the temperature is elevated a ?, which leads unit length solid material samples in a particular direction on the expansion ratio constant, called on the direction of the linear expansion coefficient. It consists of linear expansion coefficient and radial expansion coefficient. At present, our country tests linear expansion coefficient with test temperature in 100-600 ?. (In some other countries, it is tested under the conditions of 30-100 °C.
7. Property that carbon and graphite products used in high temperature can withstand temperature changes without being damaged as thermal shock resistance, which sometimes also called "cooled rapidly heat-resistant" or "thermal stability." The existence of thermal expansion of carbon and graphite products undermines the fundamental reasons at temperature fluctuations. If rapid cooling from high-temperature, surface products is produced by the contraction of shrinkage stress, on the contrary, from low to high, under rapid change, will produce
Indices Of physical And Chemical Properties Of Graphite Electrode
Specifications for RP, HP, UHP graphite electrodes with nipples:RPElectrode:
Bulk Density≥ 1.56g/cm3
Specific Resistivity≤ 8.5μm
Bending Strength≥ 10.0MPa
Elastic Modulus≤ 9.3GPa
Thermal Expansion Coefficient≤ 2.7x10 -6/°C
Ash≤ 0.5%
Nipple:
Bulk Density≥ 1.68g/cm3
Specific Resistivity≤ 7.0μm
Bending Strength≥ 14.0MPa
Elastic Modulus≤ 13.7GPa
Thermal Expansion Coefficient≤ 2.5 x10 -6/°C
Ash≤ 0.5%
HPElectrode:
Bulk Density≥ 1.65g/cm3
Specific Resistivity≤ 6.5μm
Bending Strength≥ 12.0MPa
Elastic Modulus≤ 10.0GPa
Thermal Expansion Coefficient≤ 2.2x10 -6/°C
Ash≤ 0.3%
Nipple:
Bulk Density≥ 1.74g/cm3
Specific Resistivity≤ 5.5μm
Bending Strength≥ 16.0MPa
Elastic Modulus≤ 14.0GPa
Thermal Expansion Coefficient≤ 2.0 x10 -6/°C
Ash≤ 0.3%
UHPElectrode:
Bulk Density≥ 1.68g/cm3
Specific Resistivity≤ 5.8μm
Bending Strength≥ 16.0MPa
Elastic Modulus≤ 14.0GPa
Thermal Expansion Coefficient≤ 1.9x10 -6/°C
Ash≤ 0.2%
Nipple:
Bulk Density≥ 1.76g/cm3
Specific Resistivity≤ 4.5μm
Bending Strength≥ 18.0MPa
Elastic Modulus≤ 16.0GPa
Thermal Expansion Coefficient≤ 1.4 x10 -6/°C
Ash≤ 0.2%
CIMM Group Co Ltd
Tel: +86-411-62885583
Address: 2nd Floor, Zhiye Plaza, 135-137 Guangxian Road, Hi-Tech Industrial Park, Dalian, Liaoning 116085
Address:
2nd Floor, Zhiye Plaza, 135-137 Guangxian Road, Dalian Hi-Tech Industrial Zone, Dalian, Liaoning, China
Business Type:
Manufacturer/Factory
Business Range:
Auto, Motorcycle Parts & Accessories, Chemicals, Industrial Equipment & Components, Manufacturing & Processing Machinery, Metallurgy, Mineral & Energy
Management System Certification:
ISO 9001, ISO 9000, QC 080000
Company Introduction:
CIMM Group is a healthy & fast growing integrated multinational corporation professionally engaged in providing technology, engineering, manufacturing, trade and EPC service in fields of Aluminum & Steel, Mineral, Metals & Metallurgy, Cement and Construction, Refinery and Petrochemical, Ports and Shipyards, Oil and Gas, Power generation and Transmission, Green resource and Energy, etc.
CIMM Group, as the company qualified by ISO 9001: 2008 and International Projects Contractor accredited by center government of P. R. China, specializes in project engineering, procurement, construction, operation, maintenance and project management.
CIMM is an actively mergers and is looking to acquire foreign enterprises, whose business is related to CIMM core business. CIMM is willing to help foreign enterprises who would like to explore Chinese market for providing spaces and opportunities of production, manufacturing, services, etc.
CIMM Group is committed to provide all the reputed customers with better solution and service at competitive cost by building up a long-term strategic partnership, by integrating the reliable resources in the business line and adding much more value to the business value chain, by creating open & innovative ideas and business models on the basis of close cooperation with all the strategic partners worldwide.