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C61400 Bronze vs. ZK60A Magnesium

C61400 bronze belongs to the copper alloys classification, while ZK60A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 C61400 bronze and the bottom bar is ZK60A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
46
Elongation at Break, % 34 to 40
4.5 to 9.9
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
18
Shear Strength, MPa 370 to 380
170 to 190
Tensile Strength: Ultimate (UTS), MPa 540 to 570
320 to 330
Tensile Strength: Yield (Proof), MPa 220 to 270
230 to 250

Thermal Properties

Latent Heat of Fusion, J/g 220
330
Maximum Temperature: Mechanical, °C 220
120
Melting Completion (Liquidus), °C 1050
600
Melting Onset (Solidus), °C 1040
550
Specific Heat Capacity, J/kg-K 420
960
Thermal Conductivity, W/m-K 67
120
Thermal Expansion, µm/m-K 18
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
29 to 30
Electrical Conductivity: Equal Weight (Specific), % IACS 15
140

Otherwise Unclassified Properties

Base Metal Price, % relative 28
13
Density, g/cm3 8.5
1.9
Embodied Carbon, kg CO2/kg material 3.0
23
Embodied Energy, MJ/kg 48
160
Embodied Water, L/kg 360
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160 to 170
14 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 310
570 to 690
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 19
63
Strength to Weight: Axial, points 18 to 19
47 to 49
Strength to Weight: Bending, points 17 to 18
55 to 56
Thermal Diffusivity, mm2/s 19
66
Thermal Shock Resistance, points 18 to 20
19 to 20

Alloy Composition

Aluminum (Al), % 6.0 to 8.0
0
Copper (Cu), % 86 to 92.5
0
Iron (Fe), % 1.5 to 3.5
0
Lead (Pb), % 0 to 0.010
0
Magnesium (Mg), % 0
92.5 to 94.8
Manganese (Mn), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.015
0
Zinc (Zn), % 0 to 1.0
4.8 to 6.2
Zirconium (Zr), % 0
0.45 to 1.0
Residuals, % 0
0 to 0.3