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  ENGINEERING METROLOGY TOOLBOX  
 Temperature Tutorial 
 Slide 14 

Temperature Tutorial is a web-based tutorial about effects of temperature on dimensional measurements.

Temperature Tutorial
Slide 14

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CTE for Some Common Materials

Material CTE1
Alumina, Grade 99 7.8
Aluminum Alloy 5086 23.7
Aluminum Alloy 6061 23.4
Beryllium Copper 18
Beryllium I-70H, Optical Grade 11.4
Borosilicate Glass 42
Cast Iron, Gray 10.82
Chromium Carbide 8.4
Copper alloy, Free Cutting Brass 20.5
Copper Alloy, Yellow Brass 20.3
Copper, UNS C14310 17
Diamond, Natural 1.2
Fused Silica, Fused Quartz 0.55
Granite 6.32
Invar 1.2
Sapphire (Aluminum Oxide - Al2O3) 4.0
Stainless Steel, 304 17.3
Stainless Steel, 316 16.0
Stainless Steel, 440 10.2
Tool Steel, 52100 11.9
Tool Steel, D2 10.5
Tungsten Carbide (6% Cobalt Binder) 4.9
Zerodur 0.05
Zirconia, 5-10% CaO Stabilized 7.5
Zirconia, Gauge Block 9.2
Zirconia, Y2O3 Stabilized 10.5

NOTES:

1. These are average values culled from a number of sources. They are, in general, averages over the range 0-100 °C, and the uncertainty is estimated to be 3-5 % (k = 2).

2. These entries are averages of a class of materials, and the variability within the class is over 10 %.

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