RayTek 54301 MID83

Appendix

Polished 0.05-0.2 0.05-0.2 0.05-0.1

Rough 0.4 0.4 0.4

Oxidized 0.2-0.7 0.2-0.7 0.2-0.6

Magnesium 0.03-0.15 0.03-0.15 0.02-0.1

Mercury 0.05-0.15 0.05-0.15 0.05-0.15

Molybdenum

Oxidized 0.3-0.7 0.3-0.7 0.2-0.6

Unoxidized 0.1-0.15 0.1-0.15 0.1

Monel (Ni-Cu) 0.1-0.5 0.1-0.5 0.1-0.14

Nickel

Oxidized 0.3-0.6 0.3-0.6 0.2-0.5

Electrolytic 0.1-0.15 0.1-0.15 0.05-0.15

Platinum

Black 0.9 0.9 0.9

Silver 0.02 0.02 0.02

Steel

Cold-Rolled 0.8-0.9 0.8-0.9 0.7-0.9

Ground Sheet 0.5-0.7 0.5-0.7 0.4-0.6

Polished Sheet 0.1 0.1 0.1

Molten 0.1-0.2 0.1-0.2 —

Oxidized 0.7-0.9 0.7-0.9 0.7-0.9

Stainless 0.15-0.8 0.15-0.8 0.1-0.8

Tin (Unoxidized) 0.05 0.05 0.05

Titanium

Polished 0.1-0.3 0.1-0.3 0.05-0.2

Oxidized 0.5-0.7 0.5-0.7 0.5-0.6

Tungsten 0.05-0.5 0.05-0.5 0.03

Polished 0.05-0.25 0.05-0.25 0.03-0.1

Zinc

Oxidized 0.1 0.1 0.1

Polished 0.03 0.03 0.02

Tab.10:TypicalEmissivityValuesforMetals

MID83