Page 206 - An Introduction To Predictive Maintenance

196 An Introduction to Predictive Maintenance

Material °F °C Emissivity
Oxidized 100 38 0.43
Oxidized at 1100¡F 100 38 0.63
Gray Oxidized 100 38 0.28
Magnesium 100–500 38–260 .07–.13
Magnesium Oxide 1880–3140 1027–1727 .16–.20
Mercury 32 0 0.09
77 25 0.1
100 38 0.1
212 100 0.12
Molybdenum 100 38 0.06
500 260 0.08
1000 538 0.11
2000 1093 0.18
Oxidized at 1000°F 600 316 0.8
Oxidized at 1000°F 700 371 0.84
Oxidized at 1000°F 800 427 0.84
Oxidized at 1000°F 900 482 0.83
Oxidized at 1000°F 1000 538 0.82
Monel, Ni-Cu 392 200 0.41
Monel, Ni-Cu 752 400 0.44
Monel, Ni-Cu 1112 600 0.46
Monel, Ni-Cu 68 20 0.43
Oxidized
Monel, Ni-Cu 1110 (599) 1110 599 0.46
Oxidized at
1110°F
Nickel Polished 100 38 0.05
Oxidized 100–500 38–260 .31–.46
Unoxidized 77 25 0.05
Unoxidized 212 100 0.06
Unoxidized 932 500 0.12
Unoxidized 1832 1000 0.19
Electrolytic 100 38 0.04
Electrolytic 500 260 0.06
Electrolytic 1000 538 0.1
Electrolytic 2000 1093 0.16
Nickel Oxide 1000–2000 538–1093 .59–.86
Palladium Plate (.00005 on .0005 silver) 200–750 93–399 .16–.17
Platinum 100 38 0.05
500 260 0.5
1000 538 0.1
Platinum, Black 100 38 0.93
500 260 0.96
2000 1093 0.97
Oxidized at 1100°F 500 260 0.07
1000 538 0.11