Coefficients of specific resistance
Specific resistance at 20o C:
Material Element/Alloy (ohm-cmil/ft) (ohm-cm)
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Nichrome ------- Alloy ---------------- 675 ------------- 112.2-6
Nichrome V ----- Alloy ---------------- 650 ------------- 108.1-6
Manganin ------- Alloy ---------------- 290 ------------- 48.21-6
Constantan ----- Alloy ---------------- 272.97 ---------- 45.38-6
Steel* --------- Alloy ---------------- 100 ------------- 16.62-6
Platinum ------ Element --------------- 63.16 ----------- 10.5-6
Iron ---------- Element --------------- 57.81 ----------- 9.61-6
Nickel -------- Element --------------- 41.69 ----------- 6.93-6
Zinc ---------- Element --------------- 35.49 ----------- 5.90-6
Molybdenum ---- Element --------------- 32.12 ----------- 5.34-6
Tungsten ------ Element --------------- 31.76 ----------- 5.28-6
Aluminum ------ Element --------------- 15.94 ----------- 2.650-6
Gold ---------- Element --------------- 13.32 ----------- 2.214-6
Copper -------- Element --------------- 10.09 ----------- 1.678-6
Silver -------- Element --------------- 9.546 ----------- 1.587-6
* = Steel alloy at 99.5 percent
iron, 0.5 percent carbon. |