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Tungsten & Molybdenum |
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Extruded Graphite (Top)
Standard
Grades |
Specific
Gravity |
Specific Resistance
(μΩm) |
Flexural Strength |
Shore Hardness
(-) |
*C.T.E
(×10-6/℃) |
| (kgf/mm2) |
(GPa) |
| FE200 |
1.65 |
9.0 |
200 |
19.6 |
30 |
3.3 |
| FE250 |
1.75 |
8.0 |
250 |
24.5 |
35 |
3.3 |
| EE200 |
1.65 |
9.0 |
200 |
19.6 |
30 |
3.3 |
| EE250 |
1.75 |
8.0 |
250 |
24.5 |
35 |
3.3 |
Standard
Grades |
Thermal Conductivity |
Ash Content
(%) |
Max Grain Size (mm) |
Standard Sizes (mm) |
| kcal/mhr℃ |
(W/mK) |
| FE200 |
120 |
139 |
0.1 |
0.8 |
100×510×2000
120×600×2000
150×510×2000 |
| FE250 |
150 |
174 |
0.1 |
0.8 |
| EE200 |
120 |
139 |
0.1 |
0.8 |
Ф50~Ф300×1800 |
| EE250 |
150 |
174 |
0.1 |
0.8 |
Ф50~Ф300×1800 |
| Notes: |
| * |
All properties measured at room temperatures except for C.T.E (R.T to 1000℃) and measured with grain, if not stated otherwise. Flexural strength determined using third point loading. |
| * |
C.T.E=Coefficient of thermal expansion |
| * |
These properties are typicial average value and not guaranteed |
| * |
1MPa=10.2kgf/cm2 |
| * |
1W/mK=0.86kcal/mh℃ |
Molded Graphite (Top)
Standard
Grades |
Specific
Gravity |
Specific
Resistance
(μΩm) |
Flexural Strength
(MPa) |
Shore
Hardness
(-) |
* C.T.E
(×10-6/℃) |
| G140 |
1.68 |
9.0 |
14.7 |
23 |
3.8 |
| 1.70 |
8.5 |
15.7 |
25 |
3.8 |
| G145 |
1.70 |
8.5 |
14.7 |
23 |
3.8 |
| G146 |
1.68 |
8.5 |
12.7 |
22 |
3.9 |
Standard
Grades |
Thermal Conductivity
(W/mK) |
Ash
Content
(%) |
Max
Grain
Size (mm) |
Standard
Sizes
(mm) |
| G140 |
139 |
0.1 |
1.0 |
Ф700×1000, Ф820×1000
Ф1000×1000
Ф1230×350, 580
Ф1400×350 |
| 145 |
0.1 |
1.0 |
500×600×1600
700×700×1600
535×535×2820
770×450×2400
1185×610×1830 |
| G145 |
145 |
0.1 |
3.0 |
Ф700×900, Ф820×1000
Ф1000×1050
Ф1230×350, 580
Ф1400×350 |
| G146 |
145 |
0.1 |
3.0 |
Ф400×700
Ф528×820
Ф680×1000
Ф900×1260 |
×930 |
| Notes: |
| * |
All properties measured at room temperatures except for C.T.E (R.T to 1000℃) and measured with grain, if not stated otherwise. Flexural strength determined using third point loading. |
| * |
C.T.E=Coefficient of thermal expansion |
| * |
These properties are typicial average value and not guaranteed |
| * |
1MPa=10.2kgf/cm2 |
| * |
1W/mK=0.86kcal/mh℃ |
Iso-static Graphite (Top)
Standard
Grades |
Specific
Gravity |
Specific Resistance
(μΩm) |
Young's Modulus
(GPa) |
Flexural Strength
(MPa) |
Shore Hardness
(-) |
* C.T.E
(×10-6/℃) |
Thermal Conductivity
(W/mK) |
| G250 |
1.70 |
12.0 |
9.8 |
39.2 |
46 |
4.8 |
108 |
| G320 |
1.75 |
14.0 |
9.3 |
32.3 |
46 |
4.3 |
93 |
| G330 |
1.79 |
13.0 |
9.8 |
39.2 |
56 |
4.8 |
104 |
| G347 |
1.85 |
11.0 |
10.8 |
49.0 |
58 |
5.5 |
116 |
| G348 |
1.92 |
10.0 |
12.3 |
63.7 |
68 |
5.5 |
128 |
| G458 |
1.86 |
9.5 |
11.3 |
53.9 |
54 |
4.4 |
139 |
| G520 |
1.83 |
12.0 |
10.8 |
56.8 |
62 |
5.5 |
116 |
| G530 |
1.82 |
13.0 |
11.3 |
61.7 |
64 |
5.5 |
104 |
| G535 |
1.82 |
17.0 |
10.8 |
63.7 |
72 |
5.5 |
81 |
| G540 |
1.85 |
15.0 |
13.7 |
88.2 |
78 |
5.5 |
93 |
| Notes: |
| * |
These properties are typical average value and not guaranteed. All properties measured at room temperature except for C.T.E. (R.T. to 1000℃),if not stated otherwise.
Flexural strength determined using third point loading. Other grades are also available. |
| * |
C.T.E=Coefficient of thermal expansion |
| * |
1MPa=10.2kgf/cm2 |
| * |
1GPa=102kgf/mm2 |
| * |
1W/mK=0.86kcal/mh℃ |
Standard Size of
Iso-static Graphite
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Rectangle
(mm) |
Cylinder
(mm) |
Disc
(mm) |
Cannular
(mm) |
Applicable to
crucible & heater
(mm) |
| G330 |
311×622×1245 |
D405×730 |
D760×350 |
OD645×ID520×H570 |
OD560×ID440×H550 |
| 311×622×2146 |
D460×700 |
D920×300 |
OD760×ID440×H640 |
OD610×ID500×H580 |
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D500×790 |
D1010×260 |
OD790×ID590×H850 |
OD710×ID570×H650 |
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D550×675 |
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OD870×ID745×H725 |
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D610×640 |
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OD1020×ID890×H480 |
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| G347 |
234×649×800 |
D340×920 |
D760×350 |
OD800×ID360×H750 |
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| 311×622×1245 |
D380×1060 |
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| 270×1200×1200 |
D460×700 |
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D515×800 |
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D560×680 |
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D610×640 |
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| G348 |
165×398×1900 |
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| 175×690×800 |
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| 250×390×960 |
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| G458 |
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OD465×ID390×H400 |
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OD530×ID445×H375 |
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OD625×ID540×H500 |
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OD700×ID590×H490 |
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OD900×ID760×H560 |
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OD970×ID780×H560 |
| G467 |
173×686×800 |
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| 311×622×1245 |
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| G520 |
290×590×1190 |
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| G530 |
217×597×742 |
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| 235×467×1245 |
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| 311×622×622 |
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| G535 |
230×455×1245 |
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| G540 |
108×312×467 |
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| Notes: other sized grades are also available. |
EDM Electrode (Top)
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Applicable to |
Size
(mm) |
Typical Characteristics |
| Specific Gravity |
Specific Resistance
(μΩm)
|
Flexural Strength |
Shore Hardness (-) |
Average grain size
(μM) |
| kgf/cm2 |
Mpa |
| HK-0 |
Rough finishing |
311*622*1245
311*622*2146 |
1.80 |
12.0 |
400 |
39 |
56 |
13 |
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| HK-1 |
Rough finishing |
311*622*1245
234*649*800 |
1.85 |
11.0 |
510 |
50 |
58 |
11 |
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| HK-15 |
Precision finishing |
311*622*622
235*467*1245
290*590*1190 |
1.83 |
12.5 |
550 |
54 |
62 |
7 |
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| HK-2 |
Precision finishing |
311*622*622
235*467*1245
217*597*742 |
1.82 |
13.5 |
650 |
64 |
64 |
7 |
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| HK-75 |
High precision finishing |
230*455*1245 |
1.82 |
16.5 |
670 |
66 |
72 |
4 |
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| HK-3 |
Ultra-precision finishing |
108*312*467 |
1.84 |
15.5 |
900 |
88 |
78 |
2 |
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