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C99400 Brass vs. ZA-12

C99400 brass belongs to the copper alloys classification, while ZA-12 belongs to the zinc alloys. There are 24 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is C99400 brass and the bottom bar is ZA-12.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
83
Poisson's Ratio 0.34
0.26
Shear Modulus, GPa 44
33
Tensile Strength: Ultimate (UTS), MPa 460 to 550
260 to 400
Tensile Strength: Yield (Proof), MPa 230 to 370
210 to 320

Thermal Properties

Latent Heat of Fusion, J/g 230
120
Maximum Temperature: Mechanical, °C 200
100
Melting Completion (Liquidus), °C 1070
430
Melting Onset (Solidus), °C 1020
380
Specific Heat Capacity, J/kg-K 400
450
Thermal Expansion, µm/m-K 17
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
28
Electrical Conductivity: Equal Weight (Specific), % IACS 17
42

Otherwise Unclassified Properties

Base Metal Price, % relative 30
11
Density, g/cm3 8.7
6.0
Embodied Carbon, kg CO2/kg material 2.8
3.4
Embodied Energy, MJ/kg 45
64
Embodied Water, L/kg 310
440

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 590
260 to 620
Stiffness to Weight: Axial, points 7.5
7.6
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 15 to 17
12 to 19
Strength to Weight: Bending, points 15 to 17
15 to 20
Thermal Shock Resistance, points 16 to 19
9.4 to 14

Alloy Composition

Aluminum (Al), % 0.5 to 2.0
10.5 to 11.5
Cadmium (Cd), % 0
0 to 0.0060
Copper (Cu), % 83.5 to 96.5
0.5 to 1.2
Iron (Fe), % 1.0 to 3.0
0 to 0.075
Lead (Pb), % 0 to 0.25
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 1.0 to 3.5
0 to 0.020
Silicon (Si), % 0.5 to 2.0
0 to 0.060
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0.5 to 5.0
87.1 to 89
Residuals, % 0 to 0.3
0