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C32000 Brass vs. C69710 Brass

Both C32000 brass and C69710 brass are copper alloys. They have a moderately high 92% of their average alloy composition in common.

For each property being compared, the top bar is C32000 brass and the bottom bar is C69710 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 6.8 to 29
25
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 41
41
Shear Strength, MPa 180 to 280
300
Tensile Strength: Ultimate (UTS), MPa 270 to 470
470
Tensile Strength: Yield (Proof), MPa 78 to 390
230

Thermal Properties

Latent Heat of Fusion, J/g 190
240
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 1020
930
Melting Onset (Solidus), °C 990
880
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 160
40
Thermal Expansion, µm/m-K 19
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 37
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 28
26
Density, g/cm3 8.7
8.3
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 42
44
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 59
99
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 680
250
Stiffness to Weight: Axial, points 7.1
7.3
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.8 to 15
16
Strength to Weight: Bending, points 11 to 16
16
Thermal Diffusivity, mm2/s 47
12
Thermal Shock Resistance, points 9.5 to 16
16

Alloy Composition


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Arsenic (As), % 0
0.030 to 0.060
Copper (Cu), % 83.5 to 86.5
75 to 80
Iron (Fe), % 0 to 0.1
0 to 0.2
Lead (Pb), % 1.5 to 2.2
0.5 to 1.5
Manganese (Mn), % 0
0 to 0.4
Nickel (Ni), % 0 to 0.25
0
Silicon (Si), % 0
2.5 to 3.5
Zinc (Zn), % 10.6 to 15
13.8 to 22
Residuals, % 0 to 0.4
0 to 0.5