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C68400 Brass vs. ZA-12

C68400 brass belongs to the copper alloys classification, while ZA-12 belongs to the zinc alloys. They have a modest 35% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is ZA-12.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
89 to 100
Elastic (Young's, Tensile) Modulus, GPa 110
83
Elongation at Break, % 18
1.6 to 5.3
Poisson's Ratio 0.31
0.26
Shear Modulus, GPa 41
33
Shear Strength, MPa 330
240 to 300
Tensile Strength: Ultimate (UTS), MPa 540
260 to 400
Tensile Strength: Yield (Proof), MPa 310
210 to 320

Thermal Properties

Latent Heat of Fusion, J/g 210
120
Maximum Temperature: Mechanical, °C 130
100
Melting Completion (Liquidus), °C 840
430
Melting Onset (Solidus), °C 820
380
Specific Heat Capacity, J/kg-K 400
450
Thermal Conductivity, W/m-K 66
120
Thermal Expansion, µm/m-K 20
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
28
Electrical Conductivity: Equal Weight (Specific), % IACS 99
42

Otherwise Unclassified Properties

Base Metal Price, % relative 23
11
Density, g/cm3 7.9
6.0
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 47
64
Embodied Water, L/kg 320
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
4.0 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 460
260 to 620
Stiffness to Weight: Axial, points 7.5
7.6
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 19
12 to 19
Strength to Weight: Bending, points 19
15 to 20
Thermal Diffusivity, mm2/s 21
43
Thermal Shock Resistance, points 18
9.4 to 14

Alloy Composition


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Aluminum (Al), % 0 to 0.5
10.5 to 11.5
Boron (B), % 0.0010 to 0.030
0
Cadmium (Cd), % 0
0 to 0.0060
Copper (Cu), % 59 to 64
0.5 to 1.2
Iron (Fe), % 0 to 1.0
0 to 0.075
Lead (Pb), % 0 to 0.090
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Manganese (Mn), % 0.2 to 1.5
0
Nickel (Ni), % 0 to 0.5
0 to 0.020
Phosphorus (P), % 0.030 to 0.3
0
Silicon (Si), % 1.5 to 2.5
0 to 0.060
Tin (Sn), % 0 to 0.5
0 to 0.0030
Zinc (Zn), % 28.6 to 39.3
87.1 to 89
Residuals, % 0 to 0.5
0