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sciencing.com/aluminum-vs-steel-conductivity-5997828.html

Conductivity in Stainless Steel Stainless steel has a much lower conductivity than carbon steel: a thermal conductivity of about 15 watts per kelvin per meter, and an electrical conductivity (at room temperature) of about 1.4 million siemens per meter.

www.thoughtco.com/table-of-electrical-resistivity-conductivity-608499

Electrical conductivity is the reciprocal quantity of resistivity. Conductivity is a measure of how well a material conducts an electric current. Electric conductivity may be represented by the Greek letter σ (sigma), κ (kappa), or γ (gamma).

www.metalsupermarkets.com/which-metals-conduct-electricity

Electrical conductivity is the measured amount of current generation created on a metal target’s surface. More simply, it is how easily an electrical current can flow through a metal. While all metals can conduct electricity, certain metals are more commonly used due to being highly conductive. The most common example is Copper.

physics.stackexchange.com/questions/92960/why-is-stainless-steel-a-poor...

You are correct, stainless steel is a really poor conductor compared to most metals. This source lists it as $7.496 \times 10^{-7}\: \mathrm{\Omega \cdot m}$ which is more than 40 times worse than copper.. The reason is that conductivity in metals is high is that metals form a crystal lattice where the outer shell electrons are shared and easily move through the lattice.

onesky.ph/blog/thermal-conductivity-stainless-steel-aluminum

Aluminum simply has a relatively higher thermal conductivity. On the other hand, stainless steel has one of the lowest thermal conductivities for metal alloys. Another metric used to track thermal conductivity is the British thermal unit (BTU), which uses a number to represent the ability of a material to conduct heat.

www.stainless-structurals.com/blog/comparing-the-thermal-conductivity-of...

Stainless steel has an even lower conductivity than carbon steel at about 15 watts per kelvin per meter. Stainless steel is an ideal material for structures in corrosive environments or for Architecturally Exposed Structural Steel (AESS) applications. Benefits of Stainless Steel. Materials with low thermal conductivity prevent heat transmission ...

www.engineeringtoolbox.com/thermal-conductivity-metals-d_858.html

Thermal Conductivity - k - is the quantity of heat transmitted due to an unit temperature gradient, in unit time under steady conditions in a direction normal to a surface of the unit area. Thermal Conductivity - k - is used in the Fourier's equation. Calculate Conductive Heat Transfer ; Calculate Overall Heat Transfer Coefficient

tampasteel.com/best-metals-conduct-electricity

Stainless Steel Conductivity. Stainless steel is a relatively good conductor of electricity, as are all metals. Factors That Affect Electrical Conductivity. Certain factors can affect how well a material conducts electricity. ThoughtCo explains these factors here:

www.bluesea.com/resources/108/Electrical_Conductivity_of_Materials

Brass is only 28% as conductive as copper. Some bronzes are as low as 7% as conductive as copper! Copper is the standard by which electrical materials are rated and conductivity ratings are expressed as a relative measurement to copper. These ratings will frequently be expressed as "28 IACS".

www.thoughtco.com/electrical-conductivity-in-metals-2340117

Electrical conductivity in metals is a result of the movement of electrically charged particles. The atoms of metal elements are characterized by the presence of valence electrons, which are electrons in the outer shell of an atom that are free to move about. It is these "free electrons" that allow metals to conduct an electric current.