Standards for Microanalysis containing Tungsten
Occurrences of W in the standards library of the C. M. Taylor Company and SPI Supplies
DYOS Tool
Tungsten containing materials occur in the standard groups listed below.
Follow these links for a list of the members of each group
Group
Description
Group
Description
SPI-MET
Metals in SPI collection
CMT-MIN
Minerals in Taylor collection
CMT-MET
Metals in Taylor collection
CMT-SRM
NIST Standards in Taylor collection
Click on a name for detals and picture of each Tungsten bearing material.
If the same material material occurs in more than one group, there may be differences in composition or grain size.
Name
Formula
Tungsten %
SPI SuppliesŪ
Mounted Standard Item #
Each
Buy for mount
SPI SuppliesŪ
Loose Standard Item #
Each
Buy loose
Tungsten
W
99.95
AS0420-AB
$199.56
Tungsten
W
99.95
AS4390-AB
$199.56
AS4395-AB
$199.56
SRM-480 Tungsten 20% Molybdenum Alloy
W
79
Mo
22
*
78.5
AS9060-AB
$199.56
AS9065-AB
$199.56
Scheelite
CaWO
4
63.69
AS5260-AB
$199.56
AS5265-AB
$199.56
SRM-1157 Steel
Fe
81
W
6
Mo
5
Cr
4
V
2
C
1
*
6.28
AS9360-AB
$199.56
AS9365-AB
$199.56
SRM-662 AISI 94B17 Steel
Fe
95
Mn
1
Ni
1
Cu
1
*
0.21
AS9250-AB
$199.56
AS9255-AB
$199.56
SRM-664 High Carbon Steel
Fe
97
C
1
*
0.102
AS9270-AB
$199.56
AS9275-AB
$199.56
SRM-661 AISI 4340 Steel
Fe
96
Ni
2
Cr
1
Mn
1
*
0.015
AS9240-AB
$199.56
AS9245-AB
$199.56
* This indicates the approximate weight percentages of the major elements rather than the chemical formula.
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Friday May 16, 2008
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