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CC330G Bronze vs. EV31A Magnesium

CC330G bronze belongs to the copper alloys classification, while EV31A magnesium belongs to the magnesium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (10, 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 CC330G bronze and the bottom bar is EV31A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
70
Elastic (Young's, Tensile) Modulus, GPa 110
44
Elongation at Break, % 20
3.5
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 42
17
Tensile Strength: Ultimate (UTS), MPa 530
260
Tensile Strength: Yield (Proof), MPa 190
170

Thermal Properties

Maximum Temperature: Mechanical, °C 220
200
Melting Onset (Solidus), °C 1000
590
Specific Heat Capacity, J/kg-K 430
1000
Thermal Conductivity, W/m-K 62
86
Thermal Expansion, µm/m-K 18
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
18
Electrical Conductivity: Equal Weight (Specific), % IACS 15
90

Otherwise Unclassified Properties

Density, g/cm3 8.4
1.8

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
8.1
Resilience: Unit (Modulus of Resilience), kJ/m3 170
330
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 19
65
Strength to Weight: Axial, points 18
40
Strength to Weight: Bending, points 17
50
Thermal Diffusivity, mm2/s 17
47
Thermal Shock Resistance, points 19
16