OES Spectroscopy |
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| MSi’s Metal Chemical Analysis currently has three calibrated and certified Optical Emission Spectroscopy units or Spectro Analysis machines. Collectively they are able to produce an elemental composition on most alloys of: |
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» Steel
» Stainless Steels
» Aluminum
» Copper
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» Nickel
» Titanium
» Ductile/Gray Iron
» Tool steels
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 As a leader in Metal Chemical Analysis, we know that you require the highest standard of alloy determination through Spectrographic Analysis.
Optical Emission Spectroscopy is the measurement of elemental wavelengths by “sparking” the material. A metallic sample is placed on the unit, and the machine creates a plasma burn on the surface of the sample. The compositional elements are excited through the burn process and give off different wavelengths of light. Each separate element’s wavelength is read by the Spectro machine and reported for
Alloy Determination.
MSi has the capability to perform metal Analysis on samples that are .5” x .5” x .02” or greater. Samples are prepared by grinding to a flat surface. We can perform testing on any configuration given that it meets the size restriction and can be prepared using the sample prep methods. The test is a destructive test. A small amount of material is burned of the surface of the sample.
Typical Spectro Analysis results provide the percentages of each material down to two decimal places with capability of four decimals in certain elements
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| Sample Chemical Testing Results |
| Nickel |
14.0 % |
Manganese |
.09 |
| Aluminum |
10.1 |
Tin |
.07 |
| Zinc |
9.1 |
Lead |
.03 |
| Silicon |
1.2 |
Mercury |
.03 |
| Iron |
.88 |
Arsenic |
.02 |
| Cadmium |
.04 |
Copper |
Remainder |
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| PMI - Positive material identification is an important analysis for most metal fabricators and users. It determines if the correct material has been created and implemented for their give processes. Here is a small example of some of the grades we identify: |
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| Steel |
Stainless Steel |
Aluminum |
Copper |
Tool Steels |
Titanium |
| 1018 |
316 |
1100 |
CDA 110 |
D2 |
CP 1 |
| 4140 |
410 |
6061 |
CDA 715 |
M1 |
Ti 6-4 |
| 8620 |
Duplex 2205 |
7075 |
CDA 932 |
T1 |
Ti 6-6-2 |
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