Materials / Compare
Brick vs. Magnesium AZ31B-H24
Compare Brick vs. Magnesium AZ31B-H24 strength, stiffness, weight and thermal properties.
| Try it on a partA sample part to run stress or thermal on, free in your browser | Open in LessCAD | Open in LessCAD |
|---|---|---|
| Mechanical | ||
| Yield strength | not given (tensile used) | 220MPasourcetypical, H24, 0.5-6 mm, 0.2 % proof stress |
| Ultimate tensile strength | 5.1MPasourcemodulus of rupture (no direct tensile value) | 290MPasourcetypical, H24, 0.5-6 mm |
| Compressive strength | 77.9MPasourcemean unit compressive strength, solid extruded brick (survey mean; SD 30.8 MPa) | not sourced |
| Elongation at break | not sourced | 13%sourcetypical, H24, 0.5-6 mm, gauge 5.65√A |
| Young's modulus (stiffness) | not sourced | 44.8GPasourcetypical (handbook physical constant) |
| Density | 2,082kg/m³sourceface brick density row used for k (BIA notes most fired clay brick 120-130 lb/ft3) | 1,769kg/m³sourcenominal |
| Strength to weight | 2.45kN·m/kg | 124kN·m/kg50.8x higher |
| Stiffness to weight | not sourced | 25.3MN·m/kg |
| Poisson's ratio | not sourced | 0.35sourcetypical (handbook physical constant) |
| Shear modulus | not sourced | 16.6GPa |
| Bulk modulus | not sourced | 49.8GPa |
| Speed of sound | not sourced | 5,032m/s |
| Thermal | ||
| Thermal conductivity | 0.92–1.12W/m·Ksourcerange for 130 lb/ft3 face brick (ASHRAE 2013 via BIA) | 76.9W/m·Ksourcetypical (temper/temperature not stated) |
| Thermal expansion | 7.2µm/m·KsourceTMS Code average coefficient, clay/shale unit masonry | 26.8µm/m·Ksourcetypical (temperature range not stated) |
| 100 mm part over a 50 °C swing | 36µm growth3.72x less | 134µm growth |
| Specific heat | 837J/kg·Ksourcevalue used in BIA heat-capacity sample calculation | 1,040J/kg·Ksourcetypical |
| Heats up and cools (diffusivity) | 0.585mm²/s | 41.8mm²/s71.4x faster |
| Thermal shock resistance | not sourced | 9,159W/m |
| Max service temperature | not sourced | 149°Csourcestated application limit |
| Values for | Solid extruded clay/shale brick units (BIA 1993 manufacturer survey, TN 3A 2024); face brick of 130 lb/ft3 for thermal properties (BIA TN 4, from ASHRAE 2013); CTE is the TMS Code value for clay/shale masonry | AZ31B-H24 sheet 0.016-0.062 in., MIL-HDBK-5J Table 4.2.1.0(b) (AMS 4377); strengths are S-basis MINIMUMS |
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 Brick stronger than Magnesium AZ31B-H24?
Magnesium AZ31B-H24 is stronger: its yield strength is 220 MPa against tensile strength 5.1 MPa for Brick (43.1x).
Which is lighter, Brick or Magnesium AZ31B-H24?
Magnesium AZ31B-H24 is lighter: 1,769 kg/m³ against 2,082 kg/m³ for Brick.
Which is lighter for the same job, Brick or Magnesium AZ31B-H24?
For the same stiffness or strength: Magnesium AZ31B-H24 is lighter for a strong rod or tie, strong beam, strong panel or plate.
| Part that must be | Brick | Magnesium AZ31B-H24 |
|---|---|---|
| Strong rod or tie | 50.8x heavier | lighter |
| Strong beam | 14.5x heavier | lighter |
| Strong panel or plate | 7.73x heavier | lighter |
For the same stiffness or strength, mass scales with density over stiffness (or strength) raised to a power set by how the part is loaded: 1 for a rod in tension, 1/2 for a beam in bending, 1/3 for a panel (the standard material-selection indices).
Which conducts heat better, Brick or Magnesium AZ31B-H24?
Magnesium AZ31B-H24 conducts heat better: 76.9 W/m·K against 1.02 W/m·K for Brick.
Which expands less with temperature?
Brick expands less: 7.2 µm/m·K against 26.8 µm/m·K for Magnesium AZ31B-H24.