RayTek TX Operating Instructions Manual page 38

Appendix
Material
Aluminum
Unoxidized
Oxidized
Alloy A3003, Oxidized
Roughened
Polished
Brass
Polished
Burnished
Oxidized
Chromium
Copper
Polished
Roughened
Oxidized
Gold
Haynes
Alloy
Inconel
Oxidized
Sandblasted
Electropolished
Iron
Oxidized
Unoxidized
Rusted
Molten
Iron, Cast
Oxidized
Unoxidized
Molten
Iron, Wrought
Dull
38
1 µm 2.2 µm
0.1-0.2 0.02-0.2
0.4 0.2-0.4
0.4
0.2-0.8 0.2-0.6
0.1-0.2 0.02-0.1
0.35 0.01-0.05
0.65 0.4
0.6
0.4 0.05-0.3
0.05 0.03
0.05-0.2 0.05-0.2
0.2-0.8 0.7-0.9
0.3 0.01-0.1
0.5-0.9 0.6-0.9
0.4-0.9 0.6-0.9
0.3-0.4 0.3-0.6
0.2-0.5 0.25
0.7-0.9 0.7-0.9
0.35 0.1-0.3
0.6-0.9
0.35 0.4-0.6
0.9 0.7-0.95
0.35 0.3
0.35 0.3-0.4
0.95
Tab. 4: Typical Emissivity Values
Rev. O 06/2011
M
ETALS
Emissivity
5.1 µm
0.02-0.2
0.2-0.4
0.4
0.1-0.4
0.02-0.1
0.01-0.05
0.3
0.5
0.03-0.3
0.03
0.05-0.15
0.5-0.8
0.01-0.1
0.3-0.8
0.6-0.9
0.3-0.6
0.15
0.6-0.9
0.05-0.25
0.5-0.8
—
0.65-0.95
0.25
0.2-0.3
0.9
8 – 14 µm
0.02-0.1
0.2-0.4
0.3
0.1-0.3
0.02-0.1
0.01-0.05
0.3
0.5
0.02-0.2
0.03
0.05-0.1
0.4-0.8
0.01-0.1
0.3-0.8
0.7-0.95
0.3-0.6
0.15
0.5-0.9
0.05-0.2
0.5-0.7
—
0.6-0.95
0.2
0.2-0.3
0.9
TX