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Aluminum 1100-O vs. Drywall

Compare Aluminum 1100-O vs. Drywall strength, stiffness, weight and thermal properties.

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Aluminum 1100-OWrought
DrywallNatural
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Mechanical
Yield strength35MPasourcetypical, O, 0.0625 in specimennot given (tensile used)
Ultimate tensile strength90MPasourcetypical, O1–2MPasourceambient range reported in review (Australian studies)
Compressive strengthnot sourced2.4MPasourcetypical, 70 F / 50% RH
Elongation at break35%sourcetypical, O, in 4Dnot sourced
Young's modulus (stiffness)69GPasourcetypical1–2GPasourceambient range reported in review (Australian studies)
Density2,710kg/m³sourcenominal, 20 °Cnot sourced
Strength to weight12.9kN·m/kgnot sourced
Stiffness to weight25.5MN·m/kgnot sourced
Poisson's rationot sourcednot sourced
Shear modulusnot sourcednot sourced
Bulk modulusnot sourcednot sourced
Speed of sound5,046m/snot sourced
Thermal
Thermal conductivity222W/m·Ksourcetypical, O, 20 °Cnot sourced
Thermal expansion23.6µm/m·Ksourcetypical, mean 20-100 °C16.7µm/m·Ksourcetypical, unrestrained, 3.3-32 C
100 mm part over a 50 °C swing118µm growth83.5µm growth41% less
Specific heat901J/kg·Ksourcebase material: commercially pure aluminium EN AW-1050A (Hydro), 20 °C1,090J/kg·Ksourcetypical (from ASHRAE Handbook of Fundamentals, per GA)
Heats up and cools (diffusivity)90.9mm²/snot sourced
Thermal shock resistancenot sourcednot sourced
Melting point640–655°Csourcemelting rangenot sourced
Max service temperaturenot sourced52°Csourcemanufacturer sustained-exposure limit
Values for1100-O (annealed) commercially pure aluminium, Kaiser Aluminum Tube & Pipe Alloy 1100 Technical Data (Rev. 05/06), typical properties; specific heat from Hydro EN AW-1050A (99.5% Al) extruded-products datasheet (10/2018).1/2 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. submittal

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 Aluminum 1100-O stronger than Drywall?

Aluminum 1100-O is stronger: its yield strength is 35 MPa against tensile strength 1.5 MPa for Drywall (23.3x).

Which is stiffer, Aluminum 1100-O or Drywall?

Aluminum 1100-O is stiffer: Young's modulus 69 GPa against 1.5 GPa for Drywall, so the same part in Aluminum 1100-O deflects less under the same load.

Which expands less with temperature?

Drywall expands less: 16.7 µm/m·K against 23.6 µm/m·K for Aluminum 1100-O.

Among 72 materials

1k10k0.1110100Density (kg/m³)Young's modulus (GPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless Steel 303Stainless Steel 17-4PHAluminum 2024-T351Aluminum 5052-H32Aluminum 7050-T7451Titanium Ti-6Al-4VBrass C260Nickel Inconel 718Magnesium AZ31B-H24Zinc Zamak 3Plastic 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 SteelPCB Laminate FR-4SiliconCeramic Alumina 96%Ceramic Aluminum NitrideAluminum A380Aluminum 6063-T6Aluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Aluminum 1100-O
Stiffness against density
1k10k101001kDensity (kg/m³)Yield strength (MPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonRubberAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless Steel 303Stainless Steel 17-4PHAluminum 2024-T351Aluminum 5052-H32Aluminum 7050-T7451Titanium Ti-6Al-4VBrass C260Nickel Inconel 718Magnesium AZ31B-H24Zinc Zamak 3Plastic 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 SteelBrickPCB Laminate FR-4SiliconCeramic Alumina 96%Aluminum A380Aluminum 6063-T6Aluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Aluminum 1100-O
Strength against density

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