Fluke MP Series Abridged User Manual page 63

Material 1 µm
Aluminum
Unoxidized 0.1-0.2
Oxidized 0.4
Alloy A3003,
Oxidized
Roughened 0.2-0.8
Polished 0.1-0.2
Brass
Polished 0.1-0.3
Burnished
Oxidized 0.6
Chromium 0.4
Oxidized
Copper
Polished
Roughened
Oxidized 0.2-0.8
Gold 0.3
Haynes
Alloy 0.5-0.9
Inconel
Oxidized 0.4-0.9
Sandblasted 0.3-0.4
polished 0.2-0.5
Iron
Oxidized 0.4-0.8
Unoxidized 0.35
Rusted
Molten 0.35
Iron, Cast
Oxidized 0.7-0.9
Unoxidized 0.35
Molten 0.35
Iron, Wrought
Dull 0.9
Lead
Polished 0.35
Rough 0.65
Oxidized
Magnesium 0.3-0.8
Mercury
Molybdenum
Oxidized 0.5-0.9
Unoxidized 0.25-0.35
Table 9-1: Typical Emissivity Values for Metals
1.6 µm 2.3 µm
0.02-0.2 0.02-0.2
0.4 0.2-0.4
0.4
0.4
0.2-0.6 0.2-0.6
0.02-0.1 0.02-0.1
0.01-0.05 0.01-0.05
0.4
0.6 0.6
0.4 0.05-0.3
0.03 0.03
0.05-0.2 0.05-0.2
0.2-0.9 0.7-0.9
0.01-0.1 0.01-0.1
0.6-0.9 0.6-0.9
0.6-0.9 0.6-0.9
0.3-0.6 0.3-0.6
0.25 0.25
0.5-0.8 0.7-0.9
0.1-0.3 0.1-0.3
0.6-0.9 0.6-0.9
0.4-0.6 0.4-0.6
0.7-0.9 0.7-0.9
0.3 0.1-0.3
0.3-0.4 0.3-0.4
0.9 0.95
0.05-0.2 0.05-0.2
0.6 0.5
0.3-0.7 0.3-0.7
0.05-0.3 0.05-0.2
0.05-0.15 0.05-0.15
0.4-0.9 0.4-0.9
0.1-0.35 0.1-0.3
Metals
Emissivity
Appendix 9
Typical Emissivity Values
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