Temperature coefficients of resistance


Temperature coefficient (α) per degree C:

Material     Element/Alloy         Temp. coefficient 
===================================================== 
Nickel -------- Element --------------- 0.005866    
Iron ---------- Element --------------- 0.005671    
Molybdenum ---- Element --------------- 0.004579    
Tungsten ------ Element --------------- 0.004403    
Aluminum ------ Element --------------- 0.004308    
Copper -------- Element --------------- 0.004041    
Silver -------- Element --------------- 0.003819    
Platinum ------ Element --------------- 0.003729    
Gold ---------- Element --------------- 0.003715    
Zinc ---------- Element --------------- 0.003847    
Steel* --------- Alloy ---------------- 0.003  
Nichrome ------- Alloy ---------------- 0.00017
Nichrome V ----- Alloy ---------------- 0.00013
Manganin ------- Alloy ------------ +/- 0.000015    
Constantan ----- Alloy --------------- -0.000074    


* = Steel alloy at 99.5 percent iron, 0.5 percent carbon