Materials / Compare

Drywall vs. Zinc Zamak 3

Compare Drywall vs. Zinc Zamak 3 strength, stiffness, weight and thermal properties.

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DrywallNatural
Zinc Zamak 3Cast
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Mechanical
Yield strengthnot given (tensile used)221MPasourcetypical
Ultimate tensile strength1–2MPasourceambient range reported in review (Australian studies)283MPasourcetypical
Compressive strength2.4MPasourcetypical, 70 F / 50% RHnot sourced
Elongation at breaknot sourced10%sourcetypical, in 2 in.
Young's modulus (stiffness)1–2GPasourceambient range reported in review (Australian studies)85.5GPasourcetypical
Densitynot sourced6,600kg/m³sourcetypical
Strength to weightnot sourced33.5kN·m/kg
Stiffness to weightnot sourced13MN·m/kg
Poisson's rationot sourced0.27sourcetypical, Zamak 3 hot-chamber die cast
Shear modulusnot sourced33.7GPa
Bulk modulusnot sourced62GPa
Speed of soundnot sourced3,599m/s
Thermal
Thermal conductivitynot sourced113W/m·Ksourcetypical
Thermal expansion16.7µm/m·Ksourcetypical, unrestrained, 3.3-32 C27.4µm/m·Ksourcetypical
100 mm part over a 50 °C swing83.5µm growth1.64x less137µm growth
Specific heat1,090J/kg·Ksourcetypical (from ASHRAE Handbook of Fundamentals, per GA)419J/kg·Ksourcetypical
Heats up and cools (diffusivity)not sourced40.9mm²/s
Thermal shock resistancenot sourced7,782W/m
Melting pointnot sourced381–387°Csourcemelting range
Max service temperature52°Csourcemanufacturer sustained-exposure limitnot sourced
Values for1/2 in. (12.7 mm) regular gypsum board (ASTM C1396), Gypsum Association GA-235-2019 typical/minimum properties; tensile and E from USDA FPL-co-authored review; service limit from USG Sheetrock 1/2 in. submittalZamak 3 (ASTM B86 die cast), Nathan Trotter (zinc alloy producer) technical data sheet, typical values

Every value links to the document that states it. "Not sourced" means no citable source states it (or only a specification minimum); figures computed from it are left out too.

Questions

Is Drywall stronger than Zinc Zamak 3?

Zinc Zamak 3 is stronger: its yield strength is 221 MPa against tensile strength 1.5 MPa for Drywall (147x).

Which is stiffer, Drywall or Zinc Zamak 3?

Zinc Zamak 3 is stiffer: Young's modulus 85.5 GPa against 1.5 GPa for Drywall, so the same part in Zinc Zamak 3 deflects less under the same load.

Which expands less with temperature?

Drywall expands less: 16.7 µm/m·K against 27.4 µm/m·K for Zinc Zamak 3.

Among 59 materials

1k10k0.1110100Density (kg/m³)Young's modulus (GPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonAluminumSteelIronTitaniumSteel AISI 1018Stainless 304Stainless 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless 303Stainless 17-4PHAluminum 2024-T351Aluminum 5052-H32Aluminum 7050-T7451Titanium Ti-6Al-4VBrass C260Nickel Inconel 718Magnesium AZ31B-H24Plastic ABS (bulk/injection)Plastic PolycarbonatePlastic POM/AcetalPlastic Nylon PA6Plastic Nylon PA66Plastic PEEKPlastic UHMWPEPlastic HDPEPlastic PolypropylenePlastic PMMAFDM ASAFDM PolycarbonateFDM PAHT-CFFDM HIPSSLA Resin Tough 2000SLS PA12 NylonDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelZinc Zamak 3
Stiffness against density
1k10k101001kDensity (kg/m³)Yield strength (MPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonRubberAluminumSteelIronTitaniumSteel AISI 1018Stainless 304Stainless 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless 303Stainless 17-4PHAluminum 2024-T351Aluminum 5052-H32Aluminum 7050-T7451Titanium Ti-6Al-4VBrass C260Nickel Inconel 718Magnesium AZ31B-H24Plastic ABS (bulk/injection)Plastic PolycarbonatePlastic POM/AcetalPlastic Nylon PA6Plastic Nylon PA66Plastic PEEKPlastic PTFEPlastic UHMWPEPlastic HDPEPlastic PolypropylenePlastic PMMAFDM ASAFDM PolycarbonateFDM PAHT-CFFDM HIPSSLA Resin Tough 2000SLA Resin Elastic 50ASLS PA12 NylonDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelBrickZinc Zamak 3
Strength against density

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