   |
|
|
 |
|
|
 |
| We
stock a wide variety of raw materials that will assure
timely delivery regardless of grade or size requirements.
Proper material selection is a crucial part of maintaining
high quality standards. |
 |
|
|
|
|
|
Typical
Properties
|
| |
Grade |
Maximum Grain Size (inches) |
Bulk Density (g/cc) |
Flexural Strength (psi) |
Specific Resistance (10-5 ohm in) |
| Coarse to Medium
Grain (extruded) |
G12
G11
G10 |
.25
.03
.03 |
1.60
1.66
1.75 |
900 - 1200
2100
2900 |
35
33
30 |
| Fine Grain (Molded)
|
G20
|
.0017 - .006 |
1.75
- 1.81 |
5000
|
57
- 70 |
| Mini Rods (Extruded)
|
G10
|
.008
|
1.75
|
5000
|
40
|
| Tubes & Pipes
|
G10
|
.03
|
1.63
- 1.73 |
3400
- 4300 |
36
|
|
Properties listed are taken from samplings of graphite manufacturers
|
Back
to top
|
Typical
Grades
|
| |
Graphite Engineering & Sales Co. |
GrafTech International Holdings Ltd. UCAR(R) |
Sigri Great Lakes Carbon |
Carbon Graphite Group |
Carbone of America |
Metaullics |
POCO |
TOYO TANSO |
| Coarse to Medium
Grain |
G11
G10 |
CBY
AGSX
CS
CSX
|
HC
HLM-50
HPC
HLM-85
|
942G
942S
873S
890S
|
|
GSP
GSXP
|
|
|
| Fine Grain
|
G20 |
ATR
ATJ
CGW |
R7340
R4340
R4510 |
|
2191
2020 |
|
TRA
HPD
DFP
AXF-5Q |
ISEM-1
ISEM-2
IG11
IG70
SIC6
ISO-63 |
| Mini Rods
|
G10 |
|
HC
HLM
580 |
580 |
|
GSXP |
|
|
| Tubes
& Pipes |
|
T114
|
MTN
MTNA |
|
|
GSXP
SST |
|
|
Back
to top
|
Graphite
Impurities
Graphite
is 99.9% Pure. Listed are the .1% Impurities
|
| Ash |
50% |
| Calcium |
16% |
| Sulfur |
10% |
| Iron |
3% |
| Silicon |
2% |
| Aluminum |
10-50 parts per million |
| Vanadium |
10-50 parts per million |
| Barium |
10-50 parts per million |
| Nickel |
10-50 parts per million |
| Titanium |
10-50 parts per million |
| Chromium |
1-10 parts per million |
| Strontium |
1-10 parts per million |
| Molybdenum |
1-10 parts per million |
| Boron |
1-10 parts per million |
| Magnesium |
1-10 parts per million |
| Managanese |
1-10 parts per million |
| Colbalt |
Trace |
| Zirconium |
Trace |
| Tin |
Trace |
| Copper |
Trace |
| Lead |
Trace |
| Silver |
Trace |
| Beryllium |
Trace |
Back
to top
|
|
|
