optris P20 Series - Emissivity Table Metals

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Emissivity Table Metals
typical
Emissivity
Aluminium non oxidized 0,02-0,1
polished 0,02-0,1
roughened 0,1-0,3
oxidized 0,2-0,4
Brass polished 0,01-0,05
roughened 0,3
oxidized 0,5
Copper polished 0,03
roughened 0,05-0,1
oxidized 0,4-0,8
Chrome 0,02-0,2
Gold 0,01-0,1
Haynes alloy 0,3-0,8
Inconel electro polished 0,15
sandblast 0,3-0,6
oxidized 0,7-0,95
Iron non oxidized 0,05-0,2
rusted 0,5-0,7
oxidized 0,5-0,9
forged, blunt 0,9
Iron, casted non oxidized 0,2
oxidized 0,6-0,95
Lead polished 0,05-0,1
Material
typical
Emissivity
Lead roughened 0,4
oxidized 0,2-0,6
Magnesium 0,02-0,1
Mercury 0,05-0,15
Molybdenum non oxidized 0,1
oxidized 0,2-0,6
Monel (Ni-Cu) 0,1-0,14
Nickel electrolytic 0,05-0,15
oxidized 0,2-0,5
Platinum black 0,9
Silver 0,02
Steel polished plate 0,1
rustless 0,1-0,8
heavy plate 0,4-0,6
cold-rolled 0,7-0,9
oxidized 0,7-0,9
Tin non oxidized 0,05
Titanium polished 0,05-0,2
oxidized 0,5-0,6
Wolfram polished 0,03-0,1
Zinc polished 0,02
oxidized 0,1
Material
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