TEMPERATURE COLOR CHART OF
METAL BEING HEATED
Heated metal radiates or gives off energy. The hotter the
metal, the more energy it gives off. Much of this radiated energy is in the form
of light.
APPROXIMATE HIGH TEMPERATURE/COLOR CHART
Faint Red |
9500 - 10500F |
Dark Red |
11500 - 12500F |
Dark Cherry |
11750 -12750F |
Cherry Red |
13000 - 14000F |
Bright Cherry |
14750 - 15750F |
Dark Orange |
16500 - 17500F |
Orange |
17500 - 18500F |
Yellow |
18000 - 19000F |
Yellow/White |
OVER 20000F |
APPROXIMATE TEMPER COLORS
Pale Yellow |
3500F |
Straw Yellow |
4000F |
Red |
5000F |
Violet |
5500F |
Dark Blue |
6000F |
Light Blue |
6500F |
Blue/Gray |
7000F |
Gray |
7500F |