For example, the thermal conductivity of ice changes from 2.18 Wm-1 K-1 to 0.56 Wm-1 K-1 when it melts into a liquid phase: Thermal Anisotropy The heat transfer characteristics of a solid material are measured by a property called the thermal conductivity, k (or λ), measured in W/m.K. THERMAL MASS 5 This six-storey steel-framed office building has strong green credentials and, through a combination of renewable energy, mixed-mode ventilation, extensive use of thermal mass and a sophisticated building management system, it has been possible to reduce carbon emissions by around 50% compared to current Thermal conductivity of common construction materials; Material Thermal conductivity, λ (Wm-1 K-1) Steel: 45 to 50 Stainless steel: 15 to 17 Insitu normal weight concrete: 1.7 to 2.2 Brickwork: 0.6 to 0.8 Gypsum-based board: 0.16 to 0.22 Plywood: 0.12 to 0.15 Mineral wool insulation: 0.03 to 0.04 Closed cell insulation: 0.02 to 0.03 Effect on Thermal Conductivity: The chemical phase of the material: When the phase of a material changes, an abrupt change in its heat conductivity may arise. Thermal Conductivity of High-carbon Steel – AISI 1095 Steel. Thermal conductivity, specific heat, thermal expansion, stress-strain response, yield, and ultimate strength of the samples were investigated. This article will explore the mechanisms of heat transfer, what makes metals ideal thermal conductors, and uses of common metals & alloys. Engineering Thermal Properties of Metals, Conductivity, Thermal Expansion, Specific Heat Data - Metals in general have high electrical conductivity, high thermal conductivity, and high density. A conventional steel, A36, was tested as well so that it could be used as a comparison. Metals are typically known to be highly efficient thermal conductors . Thermal bridging refers to the loss of building energy through thermal conductivity of elements that "bridge" across the insulation of a wall or roof enclosure of a conditioned (i.e., heated or cooled) space when the outside temperature is warmer or colder than the interior space. The thermal conductivity of high-carbon steel is 50 W/(m.K). Typically they are malleable and ductile, deforming under stress without cleaving. The thermal conductivity of a material such as metal is highly dependent on composition and structure.