6
5
4
3
2
1
4
0.041
T
122
bright matte
Nickel
1
0.045
T
100
commercially
pure, polished
Nickel
1
0.07–0.09
T
200–400
commercially
pure, polished
Nickel
4
0.04
T
22
electrolytic
Nickel
4
0.06
T
38
electrolytic
Nickel
4
0.07
T
260
electrolytic
Nickel
4
0.10
T
538
electrolytic
Nickel
2
0.05
T
20
electroplated, pol-
ished
Nickel
4
0.045
T
22
electroplated on
iron, polished
Nickel
1
0.11–0.40
T
20
electroplated on
iron, unpolished
Nickel
4
0.11
T
22
electroplated on
iron, unpolished
Nickel
2
0.37
T
200
oxidized
Nickel
4
0.37
T
227
oxidized
Nickel
4
0.85
T
1227
oxidized
Nickel
1
0.37–0.48
T
200–600
oxidized at 600 °C
Nickel
4
0.045
T
122
polished
Nickel
1
0.1–0.2
T
200–1000
wire
Nickel
1
0.52–0.59
T
500–650
Nickel oxide
1
0.75–0.86
T
1000–1250
Nickel oxide
2
0.27
T
20
0.025 mm film
Oil, lubricating
2
0.46
T
20
0.050 mm film
Oil, lubricating
2
0.72
T
20
0.125 mm film
Oil, lubricating
2
0.05
T
20
film on Ni base: Ni
base only
Oil, lubricating
2
0.82
T
20
thick coating
Oil, lubricating
19
138
Publ. No. 1558146 Rev. a156 – ENGLISH (EN) – February 28, 2006
19 – Emissivity tables