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55
A1.2
Metals - Typical Emissivity Values
1.0 µm
1.6 µm
5.1 µm
8-14 µm
Aluminum
Non-Oxidized 0.1-0.2
0.02-0.2
0.02-0.2
0.02-0.1
Oxidized
0.4
0.4
0.2-0.4
0.2-0.4
Alloy A 3003
Oxidized
—
0.4
0.4
0.3
Roughened
0.2-0.8
0.2-0.6
0.1-0.4
0.1-0.3
Polished
0.1-0.2
0.02-0.1
0.02-0.1
0.02-0.1
Brass
Polished
0.8-0.95
0.01-0.05
0.01-0.05
0.01-0.05
Burnished
—
—
0.3
0.3
Oxidized
0.6
0.6
0.5
0.5
Carbon
Non-oxidized
0.8-0.95
0.8-0.9
0.8-0.9
0.8-0.9
Graphite
0.8-0.9
0.8-0.9
0.7-0.9
0.7-0.8
Chromium
0.4
0.4
0.03-0.3
0.02-0.2
Copper
Polished
0.05
0.03
0.03
0-03
Roughened
0.05-0.2
0.05-0.2
0.05-0.15
0.05-0.1
Oxidized
0.2-0.8
0.2-0.9
0.5-0.8
0.4-0.8
Gold
0.3
0.01-0.1
0.01-0.1
0.01-0.1
Haynes Alloy
0.5-0.9
0.6-0.9
0.3-0.8
0.3-0.8
Inconel
Oxidized
0.4-0.9
0.6-0.9
0.6-0.9
0.7-0.95
Sandblasted
0.3-0.4
0.3-0.6
0.3-0.6
0.3-0.6
Electro-polished
0.2-0.5
0.25
0.15
0.15
Iron
Oxidized
0.4-0.8
0.5-0.9
0.6-0.9
0.5-0.9
Non-oxidized
0.35
0.1-0.3
0.05-0.25
0.05-0.2
Rusted
—
0.6-0.9
0.5-0.8
0.5-0.7
Molten
0.35
0.4-0.6
—
—
Iron Cast
Oxidized
0.7-0.9
0.7-0.9
0.65-0.95
0.6-0.95
Non-oxidized
0.35
0.3
0.25
0.2
Molten
0.35
0.3-0.4
0.2-0.3
0.2-0.3
Iron Wrought
Dull
0.9
0.9
0.9
0.9
Lead
Polished
0.35
0.05-0.2
0.05-0.2
0.05-0.1
Rough
0 65
0.6
0.4
0-4
Oxidized
—
0.3-0.7
0.2-0.6
0.2-0.6
Magnesium
0.3-0.8
0.05-0.3
0.03-0.15
0.02-0.1
Mercury
—
0.05-0.15
0.05-0.15
0.05-0.15
Molybdenum
Oxidized
0.5-0.9
0.4-0.9
0.3-0.7
0.2-0.6
Non-oxidized
0.25-0.35
0.1-0.3
0.1-0.15
0.1
Monel (Ni-Cu)
0.3
0.2-0.6
0.1-0.5
0.1-0.14
Nickel
Oxidized
0.8-0.9
0.4-0.7
0.3-0.6
0.2-0.5
Electrolytic
0.2-0.4
0.1-0.3
0.1-0.15
0.05-0.15
Platinum
Black
—
0.95
0.9
0.9
Silver
0.04
0.02
0.02
0.02
Steel
Cold-Rolled
0.8-0.9
0.8-0.9
0.8-0.9
0.7-0.9
Ground Sheet
—
—
0.5-0.7
0.4-0.6
Polished Sheet
0.35
0.25
0.15
0.1
Molten
0.35
0.25-0.4
0.1-0.2
—
Oxidized
0.8-0.9
0.8-0.9
0.7-0.9
0.7-0.9
Stainless
0.35
0.2-0.9
0.15-0.8
0.1-0.8
Tin (Non-oxidized)
0.25
0.1-0.3
0.05
0.05
Titanium
Polished
0.5-0.75
0.3-0.5
0.1-0.3
0.05-0.2
Oxidized
—
0.6-0.8
0.5-0.7
0.5-0.6
Содержание OSP SERIES
Страница 1: ...http www omega com e mail info omega com OSP SERIES Portable IR thermometers ...
Страница 19: ...19 ...
Страница 41: ...41 Now you can save data on disk using name with extension LMD for example TODAY LMM ...
Страница 53: ...53 APPENDIX ...