OEM/ODM Factory China Graphite Blocks Used for Metallurgy

Short Description:

Application: Mechanical Industry

Chemical Composition: High Purity Graphite

Bulk Density: 1.70 - 1.85 g/cm3

Bending Strength: 15 - 40MPa

Electric Resistivity: <8.5 u.m

Ash (purified): 30 - 50ppm

Dimension: Various sizes or customized

Ash (Normal Grade): 0.05 - 0.2%

Compressive Strength: 30 - 80MPa

Shore hardness: 30 - 50

Ash (Normal Grade): 0.05 - 0.2%

Grain Size: 0.8mm/2mm/4mm

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Graphite block is made from the domestic petroleum coke and widely used in the metallurgy, machinery, electronics and chemical industry, etc. The graphite block include molded, extruded, vibrated and isostatic.

process

Raw material ->Medium crushing / milling ->Screening -> dosing -> kneading-> vibrated molding->impregnation -> baking-> graphitization

Physical and chemical index

Item	Unit	Isostaic graphite
Grain size	μm	5-22
Bulk density	g/cm3	1.8-1.85
Specific resistance	μΩ.m	≤15
Bending strength	Mpa	≥40
Compressive strength	Mpa	≥85
Shore hardness		≥65
C.T.E.(100-600)℃	10-6/℃	4.0-5.2
Modulus of elasticity	Gpa	10-12.5
Ash	%	≤0.03%

High pure graphite
Item	Unit	Baked twice	Baked three times	Baked four times
		Impregnated once	Impregnated twice	Impregnated three time
Grain size	Mm	≤325 mesh	≤325 mesh	≤325 mesh
Bulk density	g/cm3	≥1.68	≥1.78	≥1.85
Specific resistance	μΩ.m	≤14	≤14	≤13
Bending strength	Mpa	≥25	≥40	≥45
Compressive strength	Mpa	≥50	≥60	≥65
Ash content	%	≤0.15	≤0.1	≤0.05

Product Description

Features:
- Fine grain
- Homogeneous structure
- High density
- Excellent thermal conductivity
- High mechanical strength
- Proper electrical conductivity
- Minimum wettability to molten metals

Typical Sizes:

Blocks	Length * Width * Thickness(mm)
	20020070,250130100,300150100,280140110,400120120,
	300200120,7802109120,330260120,650200135,650210135,
	380290140,500150150,350300150,670300150,400170160,
	550260160,490300180,600400200,400400400
Rounds	Diameter(mm):60,100,125,135,150,200,250,300,330,400,455
	Tickness(mm):100,135,180,220,250,300,450

* Other dimensions are available on request.

Specifications:

Specifications	Unit	Value
Bulk Density	g/cc	1.70 – 1.85
Compressive Strength	Mpa	30 – 80
Bending Strength	Mpa	15 – 40
Shore hardness		30 – 50
Specific Resistance	micro ohm.m	8.0 – 15.0
Ash (Normal Grade)	%	0.05 – 0.2
Ash (purified)	ppm	30 – 50

Applications:
- Molds, chutes, sleeves, sheathes, linings, etc. in continuous casting systems for making shaped steel, cast iron, copper, aluminum.
- Sintering molds for cemented carbides and diamond tools.
- Sintering molds for electronic components.
- Electrodes for EDM.
- Heaters, heat shields, crucibles, boats in some industrial furnaces (such as furnaces for pulling monocrystalline silicon or optical fibers).
- Bearings and seals in pumps, turbines and motors.
- and so on.

Detailed Images

Company Information

Ningbo VET Co.,LTD is a manufacturer specialized in production and sales of special graphite products and automotive metal products in zhejiang province. Using high quality imported graphite material, to independently produce various of shaft bushing, sealing parts, graphite foil, rotor, blade, separator and so on, also with the electromagnetic valve body, valve block and other hardware products. We directly import various specifications of graphite materials from Japan, and supply domestic customers with graphite rod, graphite column, graphite particles, graphite powder and impregnated, impregnated resin graphite rod and graphite tube,etc. We customize graphite products and aluminum alloy products according to the needs of customers, which helps our customers achieve success. In line with the enterprise spirit of “integrity is the foundation, innovation is the driving force, quality is the guarantee”, adhering to the enterprise tenet of “solving problems for customers, creating the future for employees”, and taking “promoting the development of low-carbon and energy-saving cause” as the enterprise mission, we strive to build a first-class brand in the field.

Factory Equipments

222

Warehouse

333

Certifications

Certifications22

faqs

Q1:What are your prices?
Our prices are subject to change on supply and other market factors. We will send you an updated price list after your company contact us for further information.
Q2:Do you have a minimum order quantity?
Yes, we require all international orders to have an ongoing minimum order quantity.
Q3:Can you supply the relevant documentation?
Yes, we can provide most documentation including Certificates of Analysis / Conformance; Insurance; Origin, and other export documents where required.
Q4:What is the average lead time?
For samples, the lead time is about 7 days. For mass production, the lead time is 15-25 days after receiving the deposit payment. The lead times become effective when we have received your deposit, and we have your final approval for your products. In all cases we will try to accommodate your needs. In most cases we are able to do so.
Q5:What kinds of payment methods do you accept?
You can make the payment to our bank account, Western Union or PayPal:
30% deposit in advance, 70% balance before shipment or against the copy of B/L.
Q6:What is the product warranty?
We warranty our materials and workmanship. Our commitment is to your satisfaction with our products. In warranty or not, it is the culture of our company to address and resolve all customer issues to everyone’s satisfaction
Q7:Do you guarantee safe and secure delivery of products?
Yes, we always use high quality export packaging. We also use specialized hazard packing for dangerous goods and validated cold storage shippers for temperature sensitive items. Specialist packaging and non-standard packing requirements may incur an additional charge.
Q8:How about the shipping fees?
The shipping cost depends on the way you choose to get the goods. Express is normally the most quickest but also most expensive way. By seafreight is the best solution for big amounts. Exactly freight rates we can only give you if we know the details of amount, weight and way. Please contact us for further information.