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C61300 Bronze vs. ZK61A Magnesium

C61300 bronze belongs to the copper alloys classification, while ZK61A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 C61300 bronze and the bottom bar is ZK61A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
46
Elongation at Break, % 34 to 40
5.8 to 7.1
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
18
Shear Strength, MPa 370 to 390
170 to 180
Tensile Strength: Ultimate (UTS), MPa 550 to 580
290 to 310
Tensile Strength: Yield (Proof), MPa 230 to 310
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 220
330
Maximum Temperature: Mechanical, °C 210
120
Melting Completion (Liquidus), °C 1050
640
Melting Onset (Solidus), °C 1040
530
Specific Heat Capacity, J/kg-K 420
960
Thermal Conductivity, W/m-K 55
120
Thermal Expansion, µm/m-K 18
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
29
Electrical Conductivity: Equal Weight (Specific), % IACS 13
130

Otherwise Unclassified Properties

Base Metal Price, % relative 29
13
Density, g/cm3 8.5
1.9
Embodied Carbon, kg CO2/kg material 3.0
23
Embodied Energy, MJ/kg 49
160
Embodied Water, L/kg 370
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 190
15 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 410
370 to 420
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 19
62
Strength to Weight: Axial, points 18 to 19
42 to 45
Strength to Weight: Bending, points 18
50 to 53
Thermal Diffusivity, mm2/s 15
65
Thermal Shock Resistance, points 19 to 20
17 to 18

Alloy Composition

Aluminum (Al), % 6.0 to 7.5
0
Copper (Cu), % 88 to 91.8
0 to 0.1
Iron (Fe), % 2.0 to 3.0
0
Lead (Pb), % 0 to 0.010
0
Magnesium (Mg), % 0
92.1 to 93.9
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 0 to 0.15
0 to 0.010
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0.2 to 0.5
0
Zinc (Zn), % 0 to 0.2
5.5 to 6.5
Zirconium (Zr), % 0
0.6 to 1.0
Residuals, % 0
0 to 0.3