High Density Carbon Graphite Blocks for Steel Making

• Type: Graphite Block
• Composition: Artificial Graphite
• Carbon Content: High-Carbon
• Grade: Industrial Grade
• Forming Way: Isostatic Graphite
• Crystal Morphology: Compact Crystalline Graphite
• Model NO.: For steelmaking
• Average Grain Size: 8-25 Micron
• Bending Strength: 35-55 MPa
• Bulk Density: 1.80-1.90 g/cm3
• Shore Hardness: 45-75
• Ash Content: 300-800ppm
• Application: Sintering Mold, EDM
• Transport Package: Wooden Case or as Customer Demand
• Specification: Dimension as your demand
• Trademark: xs
• Origin: China
• HS Code: 3801100090
• Production Capacity: 5000ton/Month

Product Description

Introduction:
High Pure Graphite Block
has superior compact structure, good electrical and thermal conductivity, high resistance to oxidation, good machining, chemical stability.
The specification of Graphite Block is according to customer's requirements
 
Graphite Advatanges:
1. Fine grain
2. Homogeneous structure
3. High density
4. Excellent thermal conductivity
5. High mechanical strength
6. Proper electrical conductivity
7. Minimum wettability to molten metals
8. Grain size, ash content, bulk density, electrical resistivity, bending strength, compressive strength, all can be customized.





Products Specification

Typical sizes:

Block (mm): 400x400x1800; 500x500x1950, 500x330x1950, 500x430x1950, 520x350x2150, 630x630x2200, 600x500x2200, 820x340x2100, 520x350x2600, 1100x11000x350

Physical and chemical index

Item	Unit	Grade
Max Grain Size	mm	0.8	0.8	2	2	4	4
Bulk Density	g/cm³	≥1.70	≥1.73	≥1.58	≥1.70	≥1.57	≥1.69
Specific Resistance	µΩ.m	≤8.5	≤8.0	≤11.5	≤8.5	≤11.5	≤8.5
Flexural strength	Mpa	≥10.0	≥12.0	≥6.0	≥9.0	≥6.5	≥9.5
Compressive Strength	Mpa	≥24.0	≥31.0	≥18.0	≥30.0	≥17.5	≥29.0
Thermal Conductivity	W/(m.K)	≥120	≥130
C.T.E(100-600)ºC	10-6/°C	≤2.5	≤2.5	≤2.5	≤2.5	≤2.5	≤2.5
Ash Content	%	≤0.3	≤0.3	≤0.3	≤0.3	≤0.3	≤0.3

 

Item	Unit	OZIM-1	OZIM-2	OZIM-3
Grain	mm	≤325mesh	≤325mesh	≤325mesh
Bulk density	g/cm³	≥1.68	≥1.78	≥1.85
Specific resistance	µΩ.m	≤14	≤14	≤13
Flexrual strength	Mpa	≥25	≥40	≥45
Compressive strength	Mpa	≥50	≥60	≥65
Ash content	%	≤0.15	≤0.1	≤0.05

 

Isostatic graphite 

Item	Unit	Domestic  material	Import  material
Bulk dengsity	g/cm³	1.8-1.85	1.92
Specific resistance	μΩ.m	≤15	10
Flexrual strength	Mpa	≥40	63.7
Compressive strength	Mpa	≥85
Thermal conductivity	W/(m.k)		128
Ash content	%	≤0.03
C.T.E(100-600)°C	10-6/°C	4.0-5.2	5.5
Shore hardness		≥65	68

Application:

1. Refractory material:

Widely used in the metallurgical industry. 

2. Conducting material:

In the electronics industry, widely used for graphite electrode, brush,, etc 

3. Wear-resisting material and lubricant:

Use graphite as wear-resisting and lubrication materials, can be 100m/s speed sliding in - 200 ~ 2000 °C temperature range, no or less lubricanting oil. 

4. Sealing material:

 It can be as sealing ring in the equipment, such as centrifugal pump, hydraulic turbine ,etc. 

5. Anticorrosion material: 

Widely used in petroleum, chemical, hydrometallurgy departments.  

6. Protection materials:

Insulation, high temperature resistant, radiation  

7. Furnace parts:  

resistance heating elements, induction susceptor, structural elements and charging plates, furnace linings, heat shields and covers for pulling monocrystalline silicon or optical fibers, etc. 

8. Anodes for the electrolysis of metals.

9. Parts for heat exchangers. 

Molds in continuous casting systems for making shaped steel, cast iron, copper Package
The finished high-purity graphite is placed in a wooden box after packaged with moisture-proof paper or a plastic bag, and should be marked with "Fragile, Keep Dry".








Others:

1. Graphite plate and grid plate for emission electron tube, thyratron and mercury arc rectifier
2. Graphite boat container, crucible and heating element for semiconductor technology, and heater for single crystal furnace
3. Graphite container for metal gasification, mold for continuous casting, graphite mold plate for pressure sintering, graphite electrode for electrical discharge machining, etc.