Editing Constantan (section)

==Physical properties==
{| class="wikitable
! Property
! Value
|-
|[[Resistivity|Electrical resistivity at room temperature]]<ref name=Davis158/>||{{val|5.00|e=−7|u=Ω·m}}
|-
|[[Temperature coefficient]] at {{val|20|u=degC}}<ref>{{cite book |author=J. O'Malley |title=Schaum's outline of theory and problems of basic circuit analysis |page=[https://archive.org/details/schaumsoutlineof00omal/page/19 19] |publisher=McGraw-Hill Professional |year=1992 |isbn=0-07-047824-4 |url-access=registration |url=https://archive.org/details/schaumsoutlineof00omal/page/19}}</ref> || 8 ppm·K<sup>−1</sup>
|-
|Temperature coefficient {{val|-55|to|105|u=degC}}<ref name=Davis158/> || ±40 ppm·K<sup>−1</sup>
|-
|[[Curie point]]<ref name=Varanasi>{{cite journal |last1=Varanasi |first1=C. V. |last2=Brunke |first2=L. |last3=Burke |first3=J. |last4=Maartense |first4=I. |last5=Padmaja |first5=N. |last6=Efstathiadis |first6=H. |last7=Chaney |first7=A. |last8=Barnes |first8=P. N. |doi=10.1088/0953-2048/19/9/002 |title=Biaxially textured constantan alloy (Cu 55 wt%, Ni 44 wt%, Mn 1 wt%) substrates for YBa2Cu3O7−x coated conductors |journal=Superconductor Science and Technology |volume=19 |issue=9 |pages=896 |year=2006 |bibcode=2006SuScT..19..896V |s2cid=119007573}}</ref> || 35 K
|-
|[[Density]]<ref name=Davis158/> || 8.9 × 10<sup>3</sup> kg/m<sup>3</sup>
|-
|[[Melting point]] || {{val|1221|-|1300|u=degC}}
|-
|[[Specific heat capacity]] || 390 J/(kg·K)
|-
|[[Thermal conductivity]] at {{val|23|u=degC}}|| 19.5 W/(m·K)
|-
|Linear [[coefficient of thermal expansion]] at {{val|25|to|105|u=degC}}<ref name=Davis158/>|| {{val|14.9|e=-6|u=K<sup>−1</sup>}}
|-
|[[Tensile strength]]<ref name=Davis158/> || {{val|455|-|860|u=MPa}}
|-
|[[Fracture|Elongation at fracture]] || <45%
|-
|[[Elastic modulus]] || {{val|162|u=GPa}}
|}