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K1A Magnesium vs. C26000 Brass

K1A magnesium belongs to the magnesium alloys classification, while C26000 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is K1A magnesium and the bottom bar is C26000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 43
110
Elongation at Break, % 13
2.5 to 66
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 17
41
Shear Strength, MPa 55
230 to 390
Tensile Strength: Ultimate (UTS), MPa 180
320 to 680
Tensile Strength: Yield (Proof), MPa 51
110 to 570

Thermal Properties

Latent Heat of Fusion, J/g 350
180
Maximum Temperature: Mechanical, °C 120
140
Melting Completion (Liquidus), °C 650
950
Melting Onset (Solidus), °C 650
920
Specific Heat Capacity, J/kg-K 1000
390
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 27
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
28
Electrical Conductivity: Equal Weight (Specific), % IACS 170
31

Otherwise Unclassified Properties

Base Metal Price, % relative 13
25
Density, g/cm3 1.6
8.2
Embodied Carbon, kg CO2/kg material 24
2.7
Embodied Energy, MJ/kg 170
45
Embodied Water, L/kg 970
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
6.1 to 420
Resilience: Unit (Modulus of Resilience), kJ/m3 30
51 to 1490
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 73
19
Strength to Weight: Axial, points 31
11 to 23
Strength to Weight: Bending, points 43
13 to 21
Thermal Diffusivity, mm2/s 75
38
Thermal Shock Resistance, points 11
11 to 23

Alloy Composition


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Bismuth (Bi), % 0
0 to 0.0059
Copper (Cu), % 0
68.5 to 71.5
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0
0 to 0.070
Magnesium (Mg), % 98.7 to 99.6
0
Zinc (Zn), % 0
28.1 to 31.5
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0 to 0.3