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C49300 Brass vs. ZA-12

C49300 brass belongs to the copper alloys classification, while ZA-12 belongs to the zinc alloys. They have a modest 37% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C49300 brass and the bottom bar is ZA-12.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
83
Elongation at Break, % 4.5 to 20
1.6 to 5.3
Poisson's Ratio 0.31
0.26
Shear Modulus, GPa 40
33
Shear Strength, MPa 270 to 290
240 to 300
Tensile Strength: Ultimate (UTS), MPa 430 to 520
260 to 400
Tensile Strength: Yield (Proof), MPa 210 to 410
210 to 320

Thermal Properties

Latent Heat of Fusion, J/g 170
120
Maximum Temperature: Mechanical, °C 120
100
Melting Completion (Liquidus), °C 880
430
Melting Onset (Solidus), °C 840
380
Specific Heat Capacity, J/kg-K 380
450
Thermal Conductivity, W/m-K 88
120
Thermal Expansion, µm/m-K 20
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
28
Electrical Conductivity: Equal Weight (Specific), % IACS 17
42

Otherwise Unclassified Properties

Base Metal Price, % relative 26
11
Density, g/cm3 8.0
6.0
Embodied Carbon, kg CO2/kg material 3.0
3.4
Embodied Energy, MJ/kg 50
64
Embodied Water, L/kg 370
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 71
4.0 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 800
260 to 620
Stiffness to Weight: Axial, points 7.2
7.6
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 15 to 18
12 to 19
Strength to Weight: Bending, points 16 to 18
15 to 20
Thermal Diffusivity, mm2/s 29
43
Thermal Shock Resistance, points 14 to 18
9.4 to 14

Alloy Composition

Aluminum (Al), % 0 to 0.5
10.5 to 11.5
Antimony (Sb), % 0 to 0.5
0
Bismuth (Bi), % 0.5 to 2.0
0
Cadmium (Cd), % 0
0 to 0.0060
Copper (Cu), % 58 to 62
0.5 to 1.2
Iron (Fe), % 0 to 0.1
0 to 0.075
Lead (Pb), % 0 to 0.010
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Manganese (Mn), % 0 to 0.030
0
Nickel (Ni), % 0 to 1.5
0 to 0.020
Phosphorus (P), % 0 to 0.2
0
Selenium (Se), % 0 to 0.2
0
Silicon (Si), % 0 to 0.1
0 to 0.060
Tin (Sn), % 1.0 to 1.8
0 to 0.0030
Zinc (Zn), % 30.6 to 40.5
87.1 to 89
Residuals, % 0 to 0.5
0