Materials / Magnesium

Magnesium AZ31B-H24

Magnesium AZ31B-H24 strength, stiffness, density and thermal properties, with their source.

A bracket in Magnesium AZ31B-H24, brushed finish.

Mechanical
Yield strength220MPa1
Ultimate tensile strength290MPa1
Elongation at break13%1
Young's modulus (stiffness)44.8GPa2
Density1,769kg/m³2
Strength to weight124kN·m/kg
Stiffness to weight25.3MN·m/kg
Poisson's ratio0.352
Shear modulus16.6GPa
Bulk modulus49.8GPa
Speed of sound5,032m/s
1k10k0.1110100Density (kg/m³)Young's modulus (GPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonWoodAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110Copper C10100Copper C12200GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless Steel 303Stainless Steel 17-4PHAluminum 2024-T351Aluminum 5052-H32Aluminum 7050-T7451Titanium Ti-6Al-4VBrass C260Nickel Inconel 718Zinc Zamak 3Plastic ABS (bulk/injection)Plastic PolycarbonatePlastic POM/AcetalPlastic Nylon PA6Plastic Nylon PA66Plastic PEEKPlastic UHMWPEPlastic HDPEPlastic PolypropylenePlastic PMMAFDM ASAFDM PolycarbonateFDM PAHT-CFFDM HIPSSLA Resin StandardSLA Resin Tough 2000SLS PA12 NylonDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelConcretePCB Laminate FR-4SiliconCeramic Alumina 96%Ceramic Aluminum NitrideAluminum A380Aluminum 6063-T6Aluminum 1100-OAluminum 3003-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Magnesium AZ31B-H24
Stiffness against densityHigher and further left: stiffer for its weight
1k10k101001kDensity (kg/m³)Yield strength (MPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonRubberWoodAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110Copper C10100Copper C12200GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless Steel 303Stainless Steel 17-4PHAluminum 2024-T351Aluminum 5052-H32Aluminum 7050-T7451Titanium Ti-6Al-4VBrass C260Nickel Inconel 718Zinc 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 StandardSLA 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 1100-OAluminum 3003-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Magnesium AZ31B-H24
Strength against densityHigher and further left: stronger for its weight
Thermal
Thermal conductivity76.9W/m·K1
Thermal expansion26.8µm/m·K1
100 mm part over a 50 °C swing134µm growth
Specific heat1,040J/kg·K1
Heats up and cools (diffusivity)41.8mm²/s
Thermal shock resistance9,159W/m
Max service temperature149°C2
1k10k0.1110100Density (kg/m³)Thermal conductivity (W/m·K)Plastic PLAPlastic PETGPlastic ABSPlastic NylonRubberWoodAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110Copper C10100Copper C12200GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless Steel 303Stainless Steel 17-4PHAluminum 2024-T351Aluminum 5052-H32Aluminum 7050-T7451Titanium Ti-6Al-4VBrass C260Nickel Inconel 718Zinc Zamak 3Plastic ABS (bulk/injection)Plastic PolycarbonatePlastic POM/AcetalPlastic Nylon PA6Plastic Nylon PA66Plastic PEEKPlastic PTFEPlastic UHMWPEPlastic HDPEPlastic PolypropylenePlastic PMMAFDM ASAFDM PolycarbonateFDM HIPSSLA Resin StandardDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelConcreteBrickPCB Laminate FR-4SiliconCeramic Alumina 96%Ceramic Aluminum NitrideAluminum A380Aluminum 6063-T6Aluminum 1100-OAluminum 3003-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Magnesium AZ31B-H24
Thermal conductivity against densityHigher and further left: spreads more heat for its weight
0.111010010100Thermal conductivity (W/m·K)Thermal expansion (µm/m·K)Plastic PETGPlastic ABSPlastic NylonWoodAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110Copper C10100Copper C12200GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless Steel 303Stainless Steel 17-4PHAluminum 2024-T351Aluminum 5052-H32Aluminum 7050-T7451Titanium Ti-6Al-4VBrass C260Nickel Inconel 718Zinc Zamak 3Plastic ABS (bulk/injection)Plastic PolycarbonatePlastic POM/AcetalPlastic Nylon PA6Plastic Nylon PA66Plastic PEEKPlastic PTFEPlastic UHMWPEPlastic HDPEPlastic PolypropylenePlastic PMMAFDM ASAFDM PolycarbonateFDM HIPSSLA Resin StandardDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelConcreteBrickPlywoodPCB Laminate FR-4SiliconCeramic Alumina 96%Ceramic Aluminum NitrideAluminum A380Aluminum 6063-T6Aluminum 1100-OAluminum 3003-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Magnesium AZ31B-H24
Thermal expansion against thermal conductivityLower and further right: warps less when heated
Sources2 documents: Magnesium Elektron, U.S. Department of Defense
Values for
Wrought. AZ31B-H24 sheet 0.016-0.062 in., MIL-HDBK-5J Table 4.2.1.0(b) (AMS 4377); strengths are S-basis MINIMUMS
  1. 1
    Elektron AZ31B Sheet, Plate & Coil (Datasheet 482)Magnesium Elektronarchived copyYield strength: typical, H24, 0.5-6 mm, 0.2 % proof stressUltimate tensile strength: typical, H24, 0.5-6 mmElongation at break: typical, H24, 0.5-6 mm, gauge 5.65√AThermal conductivity: typical (temper/temperature not stated)Thermal expansion: typical (temperature range not stated)Specific heat: typical
  2. 2
    MIL-HDBK-5J, Metallic Materials and Elements for Aerospace Vehicle Structures (2003)U.S. Department of DefenseYoung's modulus (stiffness): typical (handbook physical constant)Density: nominalPoisson's ratio: typical (handbook physical constant)Max service temperature: stated application limit
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Thermal properties of Magnesium AZ31B-H24

Thermal conductivity of Magnesium AZ31B-H24

Magnesium AZ31B-H24 has a thermal conductivity of 76.9 W/m·K (44.4 BTU/hr·ft·°F). Basis: typical (temper/temperature not stated). Source: Magnesium Elektron, Elektron AZ31B Sheet, Plate & Coil (Datasheet 482)archived copy.

Specific heat of Magnesium AZ31B-H24

The specific heat capacity of Magnesium AZ31B-H24 is 1,040 J/kg·K (0.248 BTU/lb·°F). Basis: typical. Source: Magnesium Elektron, Elektron AZ31B Sheet, Plate & Coil (Datasheet 482)archived copy.

Coefficient of thermal expansion of Magnesium AZ31B-H24

Magnesium AZ31B-H24 expands 26.8 µm/m·K (14.9 µin/in·°F): a 100 mm part grows 134 µm over a 50 °C rise. Basis: typical (temperature range not stated). Source: Magnesium Elektron, Elektron AZ31B Sheet, Plate & Coil (Datasheet 482)archived copy.

Thermal diffusivity of Magnesium AZ31B-H24

Computed from the conductivity, density and specific heat (k / ρc): 41.8 mm²/s, how fast a temperature change spreads through it.

Maximum service temperature of Magnesium AZ31B-H24

The maximum service temperature of Magnesium AZ31B-H24 is 149 °C (300 °F). Basis: stated application limit. Source: U.S. Department of Defense, MIL-HDBK-5J, Metallic Materials and Elements for Aerospace Vehicle Structures (2003).

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