FLIR C3

Emissivity tables20
Table 20.1 T: Total spectrum; SW: 2–5 µm; LW: 8–14 µm, LLW: 6.5–20 µm; 1: Material; 2: Specification; 3:
Temperature in °C; 4: Spectrum; 5: Emissivity: 6:Reference (continued)
1 2 3 4 5 6
Iron and steel oxidized 100 T 0.74 1
Iron and steel oxidized 1227 T 0.89 4
Iron and steel oxidized 125–525 T 0.78–0.82 1
Iron and steel oxidized 200 T 0.79 2
Iron and steel oxidized 200–600 T 0.80 1
Iron and steel oxidized strongly 50 T 0.88 1
Iron and steel oxidized strongly 500 T 0.98 1
Iron and steel polished 100 T 0.07 2
Iron and steel polished 400–1000 T 0.14–0.38 1
Iron and steel polished sheet 750–1050 T 0.52–0.56 1
Iron and steel rolled sheet 50 T 0.56 1
Iron and steel rolled, freshly
20 T 0.24 1
Iron and steel rough, plane
surface
50 T 0.95–0.98 1
Iron and steel rusted red, sheet 22 T 0.69 4
Iron and steel rusted, heavily 17
SW
0.96 5
Iron and steel rusty, red 20 T 0.69 1
Iron and steel shiny oxide layer,
sheet,
20 T 0.82 1
Iron and steel shiny, etched 150 T 0.16 1
Iron and steel wrought, carefully
polished
40–250 T 0.28 1
Iron galvanized heavily oxidized 70
SW
0.64 9
Iron galvanized heavily oxidized 70 LW 0.85 9
Iron galvanized sheet 92 T 0.07 4
Iron galvanized sheet, burnished 30 T 0.23 1
Iron galvanized sheet, oxidized 20 T 0.28 1
Iron tinned sheet 24 T 0.064 4
Iron, cast casting 50 T 0.81 1
Iron, cast ingots 1000 T 0.95 1
Iron, cast liquid 1300 T 0.28 1
Iron, cast machined 800–1000 T 0.60–0.70 1
Iron, cast oxidized 100 T 0.64 2
Iron, cast oxidized 260 T 0.66 4
Iron, cast oxidized 38 T 0.63 4
Iron, cast oxidized 538 T 0.76 4
Iron, cast
oxidized at 600°C
200–600 T 0.64–0.78 1
Iron, cast polished 200 T 0.21 1
Iron, cast polished 38 T 0.21 4
Iron, cast polished 40 T 0.21 2
#T559918; r. AN/42281/42281; en-US
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