High Quality Electrical Conductivity High Power Carbon Graphite Electrodes¹

Product Description Company ProfileCNBM INTERNATIONAL CORPORATION is a primary subsidiary of China National Building Material Group . And CNBM Group is a central government-owned enterprise and a Fortune Global 500 company (Ranking 203th in 2019).It is the largest building material manufacturer and service provider in the world.CNBM Group is integrated with four business segments: Manufacture, R&D,Sets of equipment and Logistics trading.Graphite electrodes are our main products.We have 4 production bases and the annual production capacity of graphite electrodes is 60,000 MT.CNBM International is highly recognized by its business partners and clients all over the world and has established good business relationship with the customers in over 120 countries and regions all over the world.Product DescriptionGraphite electrode is made from the domestic first class petroleum coke and high quality needle coke and widely used in the electric arc furnaces for production of alloy steels, metal and other nonmetallic materials, etc. The Graphite electrodes include: regular power, high power, ultra high power and square electrode. The range of diameters covers from 200mm to 800mm. Features*Low electric resistivity*Good electrical and thermal conductivity*High oxidation resistance*Greater resistance to thermal and mechanical shock*High mechanical strength*High machining accuracyTechnical SpecifaicationItemUnitRPHPUHP250-400450-800300-400450-700300-400450-700Electric ResistivityElectrodeμΩ.m7.5-8.67.5-8.85.5-6.85.5-7.04.6-6.04.8-6.2Nipple4.5-5.54.0-5.03.5-4.5Bending StrengthElectrodeMpa≥8.0≥11.0≥11.0Nipple≥15.0≥16.0≥18.0Elastic ModulusElectrodeGpa≤9.0≤11.0≤13.0Nipple≤13.0≤14.0≤15.0Bulk DensityElectrodeg/cm31.55-1.651.63-1.731.65-1.75Nipple1.70-1.751.73-1.801.75-1.82AshElectrode%≤0.3NippleCTE(100-600)oCElectrode10-6/oC2.00-2.501.80-2.001.30-1.50Nipple 1.50-1.801.50-1.801.20-1.40Current Carrying CapacityNomina diameterRPHPUHPCurrent Carrying CapacityCurrent DensityCurrent Carrying CapacityCurrent DensityCurrent Carrying CapacityCurrent DensityinmmAA/cm2AA/cm2AA/cm21230010000-1300014-1813000-1740017-2415000-2200020-301435013500-1800014-1817400-2400017-2420000-3000020-301640018000-2350014-1821000-3100016-2425000-4000019-301845022000-2700013-1725000-4000015-2432000-4500019-272050025000-3200013-1630000-4800015-2438000-5500018-272255032000-4000013-1635000-5500014-2242000-6400017-262460035000-4100013-1541000-6100014-2150000-7300017-252870039000-4800010-1255000-8200014-2167000-9900017-253280043000-540008-10////Specification &Allowable deviation of graphite electrodeNominal DiameterActual Diameter(mm)Actual Diameter(mm)                   mmAllowable TolerancemmlnchMaxMinRough spot(B)LengthShort Length2008"2052001971600/1800±100-27525010"2562512481600/1800/200030012"3073022991600/1800/2000/220035014"3573523491600/1800/2000/220040016"4094034001600/1800/2000/220045018"4604544511600/1800/2000/220050020"5115055021800/2000/2200/240055022"5625565531800/2000/2200/2400/270060024"6136076042000/2200/2400/2700/300065026"6636596562000/2200/2400/2700/300070028"7147107072000/2200/2400/2700/3000Quality Assurance & Control· National Certified Laboratory· Key testing instruments, including: specific resistor, bulk density meter, elasticmodulus    meter, bending strength inspector, ash analysis meter, CTE analysis meter, etc.· On-time instrument calibration· On-site properties testing, including: L-CTE,C-CTE, Specific resistance, bulk density,Bendingstrength,ashcontent,      elastic modulusProduction FacilitiesGraphite electrode process flow Dimension drawing of nippiesCustomers VisitFAQQ:Are you a trading company or manufacturer?A:CNBM is a large-scale central governmental industrial group with its own manufacturing sector, research and development sector, trading sector and logistics sector.Q:I have some special requirement about specifications.A:We have a well-rounded product range, which endows us with the capability of applying many special specifications. Please feel free to contact us with yours.Q:Do you accept OEM service?A:Yes, we do.Q:What is your delivery time?A:It depends on the size/complexity of your order and our own production schedule. Usually we provide a faster delivery than the industry's average.Q:What is the payment term?A:Our payment terms are negotiable.Q:Can I have my own logo on the product?A:Sure, we can apply your own logo on the products according to your requirement. 

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