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C38000 Brass vs. ZA-8

C38000 brass belongs to the copper alloys classification, while ZA-8 belongs to the zinc alloys. They have 41% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C38000 brass and the bottom bar is ZA-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
85 to 86
Elongation at Break, % 17
1.3 to 8.0
Poisson's Ratio 0.31
0.26
Shear Modulus, GPa 39
34
Shear Strength, MPa 230
240 to 280
Tensile Strength: Ultimate (UTS), MPa 380
210 to 370
Tensile Strength: Yield (Proof), MPa 120
210 to 290

Thermal Properties

Latent Heat of Fusion, J/g 170
110
Maximum Temperature: Mechanical, °C 110
100
Melting Completion (Liquidus), °C 800
400
Melting Onset (Solidus), °C 760
380
Specific Heat Capacity, J/kg-K 380
440
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 21
23

Otherwise Unclassified Properties

Base Metal Price, % relative 22
11
Density, g/cm3 8.0
6.3
Embodied Carbon, kg CO2/kg material 2.7
3.3
Embodied Energy, MJ/kg 46
62
Embodied Water, L/kg 330
420

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
2.8 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 74
260 to 490
Stiffness to Weight: Axial, points 7.1
7.5
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 13
9.3 to 17
Strength to Weight: Bending, points 14
12 to 18
Thermal Diffusivity, mm2/s 37
42
Thermal Shock Resistance, points 13
7.6 to 13

Alloy Composition

Aluminum (Al), % 0 to 0.5
8.0 to 8.8
Cadmium (Cd), % 0
0 to 0.0060
Copper (Cu), % 55 to 60
0.8 to 1.3
Iron (Fe), % 0 to 0.35
0 to 0.075
Lead (Pb), % 1.5 to 2.5
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Nickel (Ni), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.045
Tin (Sn), % 0 to 0.3
0 to 0.0030
Zinc (Zn), % 35.9 to 43.5
89.7 to 91.2
Residuals, % 0 to 0.5
0