Высококачественный графитовый карбоновый стержень для ювелирных


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Трекер стоимости

Месяц Минимальная цена Макс. стоимость
Sep-16-2025 0.64 $* 0.54 $*
Aug-16-2025 0.14 $* 0.83 $*
Jul-16-2025 0.34 $* 0.96 $*
Jun-16-2025 0.40 $* 0.42 $*
May-16-2025 0.3 $* 0.24 $*
Apr-16-2025 0.5 $* 0.90 $*
Mar-16-2025 0.3 $* 0.40 $*
Feb-16-2025 0.8 $* 0.74 $*
Jan-16-2025 0.92 $* 0.23 $*

Характеристики


 



Product Description


 




High quality graphite carbon rod fo jewelry tools


 


·Used in furnaces because of graphite's low heat sensitivity
·Used in the production of fluxing tubes used in the metal manufacturing industry
·Other industries using graphite tubes include chemical and scientific industry


 


Hard Alloys, Graphite Mold, Diamond Aiguille, Saw Sinter Film, semiconductor Monocrystal Graphite Mold, Continuous Casting, Casting Steel, Alloys casting, Metals Casting, Graphite for Ray-cable, Graphite for Mid or Mini-type Rocket, Crucibles


 


Technical Index:



































Bulk density (g/m3)



Max grain size (mm)



Ash


(%)



Electrical Resistivity


(μ Ω m)



Compressive


Strength


 (MPa)



1.60



0.8-2



≤0.5



≤10 



≥20



1.68



≤8



≥22



1.72



≤7.5



≥25



1.75



≤7



≥28



 







































































































































Specifications



Unit



High-graphitic



Graphitic



graphitized



30%



50%



80%



Real Density



g/cm3



≥1.94



≥1.98



≥2.00



≥2.08



≥2.20



Bulk Density



g/cm3



≥1.56



≥1.60



≥1.62



≥1.65



≥1.56



Special Electrical Resistivity



μΩm



≤35



≤29



≤25



≤21



≤11-13



Ash Content



%



≤5.0



≤4.5



≤3.0



≤2.0



≤0.4



Compressive Strength



MPa



≥25



≥24



≥22



≥21



≥20



Bending Strength



MPa



≥7.0



≥7.0



≥7.0



≥7.5



≥6.0



Modulus of Elasticity



GPa



≤7.0



≤7.0



≤7.0



≤6.5



≤6.0



Coefficient of Thermal Expansion



10-6/k



≤4.0



≤4.0



≤4.0



≤4.0



≤2.0



Sodium Expansion



%



≤0.8



≤0.7



≤0.6



≤0.5



≤0.5



Porosity



%



≤20



≤19



≤19



≤21



≤25



Thermal Conductivity



W/mk



≥8



≥12



≥12



≥15



≥100-130



Main Raw Materials



Imported or domestic graphite specialties, medium grain size graphite, graphite blocks, graphite electrode.



Processing Treatment



Oxidation retardant impregnation can be available.



Machining



Materials can be machined to finished products as per given drawings or samples.



Typical Applications



Instruments, copper continuous casting, electronic industry, non-ferrous metal industry etc.



 


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Company Information


 



Qingdao Shengkaiweijian Graphite Products Co., Ltd., founded in 2005, is located in Laixin City, Qingdao, Shandong Peninsula. It is mainly engaged in business of carbon, carbon products (such as oxygen-free copper rod die produced by up-casting method, graphite die for copper pipe, electrosparking graphite, large-size copper pipe die for horizontal continuous casting, graphite for electric sintering die, oxygen-free copper rod protecting jacket and heat-insulating jacket produced by up-casting method, graphite dies such as copper rod, copper tube, copper bar and special-shaped copper material produced by horizontal continuous casting, horizontal continuous casting graphite sleeve, sluice, stopper and base used for semi continuous casting, pouring mouth, mechanical sealing carbon ring, heater, heat screen, crucible, boat and funnel), crystalline flake graphite, etc.


The company boasts its strong strength and technical strength and strictly controls production quality. Its dies produced by high-tech coating has improved hardness, abrasion resistance and oxidation resistance and has service life 3 to 5 times that of ordinary dies. Under the business policy of “Credit-based”, its products boast reliable quality, reasonable price and fast delivery. The company has won the praise of users and has numerous long-term cooperative partners. Its products are exported to more than ten countries such as Italy, America, Brazil, India and Australia. Welcome to visit us for guidance and business negotiation.


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FAQ


 Q:When can i get the price?
We usually quote within 24 hours after getting your detailed requirements,like drawing,size,quantity ,specification etc. .

Q: Do you provide samples?
Yes, samples are available for you to check our quality.

Q:What about the lead time for mass product?
The lead time is based on the quantity,sample need about 2-7days.bulk need about 7~20days.

Q:Product packaging?
Packed in sponge+paper box+export wood cases,or according to your requirements

Q:About the price on Alibaba
Please note that the price on Alibaba is a rough price.The actual price will depends on raw materials,exchange rate ,wage and your order quantity .



Hope to cooperation with you,Thanks !


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Данные ресурс не является интернет-магазином, а лишь содержит ссылки на международную торговую площадку Alibaba.com