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C85900 Brass vs. ZE41A Magnesium

C85900 brass belongs to the copper alloys classification, while ZE41A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 C85900 brass and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
63
Elastic (Young's, Tensile) Modulus, GPa 100
45
Elongation at Break, % 30
3.3
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
18
Tensile Strength: Ultimate (UTS), MPa 460
210
Tensile Strength: Yield (Proof), MPa 190
140

Thermal Properties

Latent Heat of Fusion, J/g 170
330
Maximum Temperature: Mechanical, °C 130
150
Melting Completion (Liquidus), °C 830
640
Melting Onset (Solidus), °C 790
540
Specific Heat Capacity, J/kg-K 390
970
Thermal Conductivity, W/m-K 89
110
Thermal Expansion, µm/m-K 20
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
27
Electrical Conductivity: Equal Weight (Specific), % IACS 28
130

Otherwise Unclassified Properties

Base Metal Price, % relative 24
18
Density, g/cm3 8.0
1.9
Embodied Carbon, kg CO2/kg material 2.9
24
Embodied Energy, MJ/kg 49
170
Embodied Water, L/kg 330
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 170
220
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 20
63
Strength to Weight: Axial, points 16
31
Strength to Weight: Bending, points 17
41
Thermal Diffusivity, mm2/s 29
59
Thermal Shock Resistance, points 16
12

Alloy Composition

Aluminum (Al), % 0.1 to 0.6
0
Antimony (Sb), % 0 to 0.2
0
Boron (B), % 0 to 0.2
0
Copper (Cu), % 58 to 62
0 to 0.1
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0 to 0.090
0
Magnesium (Mg), % 0
91.7 to 95.4
Manganese (Mn), % 0 to 0.010
0 to 0.15
Nickel (Ni), % 0 to 1.5
0 to 0.010
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.25
0
Sulfur (S), % 0.1 to 0.65
0
Tin (Sn), % 0 to 1.5
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 31 to 41
3.5 to 5.0
Zirconium (Zr), % 0 to 0.2
0.4 to 1.0
Residuals, % 0
0 to 0.3