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C32000 Brass vs. C48500 Brass

Both C32000 brass and C48500 brass are copper alloys. They have 75% of their average alloy composition in common.

For each property being compared, the top bar is C32000 brass and the bottom bar is C48500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 6.8 to 29
13 to 40
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 41
39
Shear Strength, MPa 180 to 280
250 to 300
Tensile Strength: Ultimate (UTS), MPa 270 to 470
400 to 500
Tensile Strength: Yield (Proof), MPa 78 to 390
160 to 320

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 1020
900
Melting Onset (Solidus), °C 990
890
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 160
120
Thermal Expansion, µm/m-K 19
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
26
Electrical Conductivity: Equal Weight (Specific), % IACS 37
29

Otherwise Unclassified Properties

Base Metal Price, % relative 28
23
Density, g/cm3 8.7
8.1
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 42
46
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 59
56 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 680
120 to 500
Stiffness to Weight: Axial, points 7.1
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.8 to 15
14 to 17
Strength to Weight: Bending, points 11 to 16
15 to 17
Thermal Diffusivity, mm2/s 47
38
Thermal Shock Resistance, points 9.5 to 16
13 to 17

Alloy Composition


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Copper (Cu), % 83.5 to 86.5
59 to 62
Iron (Fe), % 0 to 0.1
0 to 0.1
Lead (Pb), % 1.5 to 2.2
1.3 to 2.2
Nickel (Ni), % 0 to 0.25
0
Tin (Sn), % 0
0.5 to 1.0
Zinc (Zn), % 10.6 to 15
34.3 to 39.2
Residuals, % 0 to 0.4
0 to 0.4

Comparable Variants