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C69700 Brass vs. C32000 Brass

Both C69700 brass and C32000 brass are copper alloys. They have a moderately high 92% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C69700 brass and the bottom bar is C32000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 240
190
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 930
1020
Melting Onset (Solidus), °C 880
990
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 43
160
Thermal Expansion, µm/m-K 19
19

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
30 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 250
28 to 680
Stiffness to Weight: Axial, points 7.3
7.1
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 16
8.8 to 15
Strength to Weight: Bending, points 16
11 to 16
Thermal Diffusivity, mm2/s 13
47
Thermal Shock Resistance, points 16
9.5 to 16

Alloy Composition

Copper (Cu), % 75 to 80
83.5 to 86.5
Iron (Fe), % 0 to 0.2
0 to 0.1
Lead (Pb), % 0.5 to 1.5
1.5 to 2.2
Manganese (Mn), % 0 to 0.4
0
Nickel (Ni), % 0
0 to 0.25
Silicon (Si), % 2.5 to 3.5
0
Zinc (Zn), % 13.9 to 22
10.6 to 15
Residuals, % 0
0 to 0.4