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Resin & Filters |
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Design and Build Molds & Dies Specializing in EDM, Jig Grinding, 3D Modeling & High Speed Machining
EDM Supplies & Consumables.
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Located in Rockford, Illinois
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ISO 9001 and AS 9100B | | |
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Copper Tungsten Material Chart
Copper Tungsten is sold in bars, plates, rounds and squares. Our stock items of copper tungsten are the 70/30 - 70% copper and 30% tungsten - the most common grade used in EDM applications. We also supply 60/40 and 75/25 grades for specific applications.
Material Grades
|
Grade |
Description |
% |
RWMA
Class |
Density
Grams / CC |
Elect Cond
%IACS |
Hardness |
|
S15WC |
Tungsten Copper |
70
30 |
EDM |
14.25 |
44-52 |
90-96RB |
|
S10WC |
Tungsten Copper |
75
25 |
11 |
14.80 |
42-50 |
96-99RB |
|
S30WC |
Tungsten Copper |
80
20 |
12 |
15.60 |
41-49 |
99-104RB |
|
S20WS |
Tungsten Silver |
78
22 |
EDM |
15.56 |
48-53 |
90-100RB |
Decimal Equivelants
|
Fraction |
Decimal |
Fraction |
Decimal |
|
1/64 |
.015625 |
33/64 |
.515625 |
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1/32 |
.03125 |
17/32 |
.53125 |
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3/64 |
.046875 |
35/64 |
.546875 |
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1/16 |
.0625 |
9/16 |
.5625 |
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5/64 |
.078125 |
37/64 |
.578125 |
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3/32 |
.09375 |
19/32 |
.59375 |
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7/64 |
.109375 |
39/64 |
.609375 |
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1/8 |
.125 |
5/8 |
.625 |
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9/64 |
.140625 |
41/64 |
.640625 |
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5/32 |
.15625 |
21/32 |
.65625 |
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11/64 |
.171875 |
43/64 |
.671875 |
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3/16 |
.1875 |
11/16 |
.6875 |
|
13/64 |
.203125 |
45/64 |
.703125 |
|
7/32 |
.21875 |
23/32 |
.71875 |
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15/64 |
.234375 |
47/64 |
.734375 |
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1/4 |
.250 |
3/4 |
.750 |
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17/64 |
.265626 |
49/64 |
.765625 |
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9/32 |
.28125 |
25/32 |
.78125 |
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19/64 |
.296875 |
51/64 |
.796875 |
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5/16 |
.3125 |
13/16 |
.8125 |
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21/64 |
.328125 |
53/64 |
.828125 |
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11/32 |
.34375 |
27/32 |
.84375 |
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23/64 |
.359375 |
55/64 |
.859375 |
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3/8 |
.375 |
7/8 |
.875 |
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25/64 |
.390625 |
57/64 |
.890625 |
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13/32 |
.40625 |
29/32 |
.90626 |
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27/64 |
.421875 |
59/64 |
.921875 |
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7/16 |
.4375 |
15/16 |
.9375 |
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29/64 |
.453125 |
61/64 |
.953125 |
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15/32 |
.46875 |
31/32 |
.96875 |
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31/64 |
.484375 |
63/64 |
.984375 |
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1/2 |
.500 |
1 |
1.000 |
*** Please Email or Call for Price & Availability***
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