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Product Catalog

Graphite Block|Graphite Square

Graphite block/square (Extrusion|Molding|Isostatic Pressing) is a main graphite products. The production process is similar with graphite electrode, but not a by-product of graphite electrode. There are a lots of classification, the production process is complex, and general production cycle is higher than two months. Also, there are variety types of graphite block/square. 

Generally, it can be divided into extrusion graphite block/square, molding graphite block/square and isostatic pressing graphite block/square in accordance with different processing technologies. 

It can be divided into fine-particle graphite block/square, medium-coarse particle graphite block/square and coarse-particle graphite block/square in accordance with different granularity. 

The graphite block/square is widely used: for example, it is used to manufacture product molds (EDM). Meanwhile, the graphite block/square is also widely used in other manufacturing industries. We can produce any specifications of the graphite block/square below the size 3600mm(length)×850 mm(width)×850mm(height). 

HP Graphite Co., Ltd. has more than fifteen years of experience in graphite block/square production, and the graphite block/square provided by us has following characteristics: 

The graphite block/square has high bulk density, low resistivity, oxidation resistance, corrosion resistance, high temperature resistance and good electrical conductivity, etc.  

Specifications of graphite block|square

Specification Size of Graphite Block/Square

2PSK

2TSK

0.8TSK

0.8GSK

Ф430*2040

Ф430*2040

400*400*1800

500*500*1900

8p:Ф430*2040

400*400*1800

500*500*2100

500*500*2100

400*400*1800

500*500*1950

Ф530*1900

580*580*1900

400*400*2100

500*500*2100

Ф630*1900

Ф630*1800

500*500*2100

Ф530*1900

Ф730*370

600*600*2400

Ф530*1900

Ф580*580*1900

Ф730*620

Ф680*610

Ф630*370

Ф630*1900

Ф730*1850

Ф730*370

Ф630*1900

580*580*1900

Ф750*620

Ф730*420

580*580*1900

600*600*2400

Ф830*370

Ф730*520

600*600*2400

Ф730*1850

Ф830*740

Ф730*520

Ф650*370

Ф830*1500

Ф1030*420

Ф750*370

Ф730*370

Ф830*720

Ф1100*590

Ф750*520

Ф730*1850

Ф730*370

Ф1130*370

Ф750*620

Ф830*370

Ф830*1500


Ф830*370

Ф830*740

Ф930*370

Ф1170*610

Ф830*520

Ф930*370

Ф1030*520

Ф1230*370

Ф1110*420

Ф1030*370

Ф1090*525

Ф1230*590

Ф1120*420

Ф1130*370

Ф1090*540

Ф1330*420

Ф1130*370

Ф1270*370

Ф1100*520

Ф1300*610

Ф1170*370

8p:Ф1170*370

Ф1210*540

1100*1100*470

Ф1330*420

Ф1230*370

Ф1230*370

1170*1100*470

Ф1410*490

Ф1290*370

Ф1230*560

1360*360*360

Ф1500*370

Ф1280*370

Ф1630*490

1360*420*360

Ф1530*370

Ф1400*370

Ф1800*370

2200*880*420

Ф1600*370

Ф1430*370

Ф2000*370

2450*660*420

Ф1800*370

Ф1530*370

Ф2100*370

3000*560*320

2300*660*370

Ф1630*370

2200*880*420

3300*630*430

2500*800*420

Ф1830*370

2400*660*370

3600*630*420

2400*660*370

Ф1900*370

3300*630*420

3900*680*420

1530*1520*370

Ф2100*370

3600*630*420

4T 2400*660*610

1950*1100*500

400*420*2100


4T 2100*620*540

2900*560*410

8p:Ф830*370



3000*560*320

8p:Ф930*370



3000*560*410

8p:Ф1130*370



3300*660*420




3600*630*420


Physical and chemical indexes of graphite block|square

ITEMUNITGSKTSKPSK
Granularity mm0.824
ResistanceμΩm≤7.5≤8≤8.5

Bulk density

g/cm3≥1.74≥1.72≥1.72
Compressive strength Mpa≥36≥35≥34

Flexural strength

Mpa≥15≥14.5≥14

Ash

%≤0.3≤0.3≤0.3

Elastic modulus

Gpa≤8≤7≤6

CTE

10-6/℃≤3≤2.5≤2
Porosity %≥18≥20≥22

Product Standard

PROCESSING METHOD

SHAPE

SIZE

WEIGHT

(kg)

SIZE

WEIGHT

(kg)

SIZE

WEIGHT

(kg)

Isostatic Pressure Products

Round Products

Ф920*700

1040

Ф750*780

750

Ф400*1200

295

Ф860*720

900

Ф750*750

630

Ф220*700

65

Ф850*850

1050

Ф330*1200

235

 

 

Ф780*700

720

Ф460*1100

380

 

 

Square Products

2100*500*300

705

650*500*200

145

1600*500*300

550

1500*500*400

720

500*500*400

275

860*350*350

230

1400*650*300

650

690*390*190

140

 

 

1300*520*160

240

1800*500*300

650

 

 

Molded Products

 

Round Products

Ф90*200

2.6

Ф160*260

10

Ф205*260

17.5

Ф115*200

4.4

Ф180*260

12.9

Ф235*410

35

Ф135*260

7.7

155*220

8.5

 

 

Ф150*260

9

Ф205*240

15.5

 

 

Square Products

900*300*200

117

410*310*200

49

650*210*150

40

 

 

 

 

 

 

550*450*200

100

410*310*180

45

385*270*200

41

500*400*200

82

140*310*160

40

330*260*150

26.5

500*300*200

62.4

410*310*150

34

600*500*200

125

500*300*180

53.5

310*310*210

38.5

 

 

Remark

  1. Product performance is product center position indicator 2. Gas Porosity is the sum of open and closed gas porosity 3.The above values are representative , not guaranteed values

The Molded Graphite Property Indicators for Sintering Industry

MODEL

Density

Electrical Resistivity

Thermal Conductivity

Thermal Expansion

Shore Hardness

Flexural Strength

Compressive Strength

Elastic

Modulus

Ash

g/cm3

μ Ω.m

W/m.k

10-6/℃

HSD

Mpa

Mpa

Gpa

PPM

HPM-2

1.50

12-15

80

6.2

30

15

32

6

500

HPM-3

1.68

9-13

95

5.7

35

25

50

8

500

HPM-5

1.80

8-10

125

4.9

48

40

80

9.5

500

The Isostatic Graphite Property Indicators for EDM Industry

MODEL

Density

Electrical Resistivity

Rockwell Hardness

Shore Hardness

Flexural Strength

Average Granularity

g/cm3

μ Ω.m

HRL

HSD

Mpa

μ m

HPX-7

1.76

12-16

94

40

40

8

HPX-60

1.78

12-16

100

45

45

4

HPX-8

1.84

10-14

105

70

55

6

The Isostatic Graphite Property Indicators for Photovoltaic Industry

MODEL

Density

Electrical Resistivity

Thermal Conductivity

Thermal Expansion

Shore Hardness

Flexural Strength

Compressive Strength

Elastic

Modulus

Ash

g/cm3

μ Ω.m

W/m.k

10-6/℃

HSD

Mpa

Mpa

Gpa

PPM

HPD-4

1.72

10-13

100

5

40

30

65

9.2

500

HPD-6

1.81

11-14

120

4.5

60

45

90

10.5

500

The Isostatic Graphite Property Indicators For 3D Glass Mold and Other Industry

MODEL

Density

Electrical Resistivity

Thermal Conductivity

Thermal Expansion

Shore Hardness

Flexural Strength

Compressive

Strength

Elastic Modulus

Average Granularity

g/cm3

μ Ω.m

W/m.k

10-6/℃

HSD

Mpa

Mpa

Gpa

μ m

HPD-9

1.88-1.92

10-14

110

3.9

75

60

125

12

2

HPD-30

1.81

15-19

80

5.8

80

43

130

7.5

12

HPX-70

1.85

12-16

105

4

55

50

105

10

8

HPX-60S

1.85

12-16

110

4

60

55

120

11

4

Recommended reading

Abnormal Electrode Usage Cases Analysis

Graphite Electrodes Production Process

Electrode Nipple Installation Instructions

Graphite Electrodes Use Instructions

Committed Services of HP Graphite Co., Ltd.

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