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C69710 Brass vs. C85500 Brass

Both C69710 brass and C85500 brass are copper alloys. They have 79% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C69710 brass and the bottom bar is C85500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 25
40
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 470
410
Tensile Strength: Yield (Proof), MPa 230
160

Thermal Properties

Latent Heat of Fusion, J/g 240
170
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 930
900
Melting Onset (Solidus), °C 880
890
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 40
120
Thermal Expansion, µm/m-K 19
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
26
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
29

Otherwise Unclassified Properties

Base Metal Price, % relative 26
23
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 44
46
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
130
Resilience: Unit (Modulus of Resilience), kJ/m3 250
120
Stiffness to Weight: Axial, points 7.3
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 16
14
Strength to Weight: Bending, points 16
15
Thermal Diffusivity, mm2/s 12
38
Thermal Shock Resistance, points 16
14

Alloy Composition

Arsenic (As), % 0.030 to 0.060
0
Copper (Cu), % 75 to 80
59 to 63
Iron (Fe), % 0 to 0.2
0 to 0.2
Lead (Pb), % 0.5 to 1.5
0 to 0.2
Manganese (Mn), % 0 to 0.4
0 to 0.2
Nickel (Ni), % 0
0 to 0.2
Silicon (Si), % 2.5 to 3.5
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 13.8 to 22
35.1 to 41
Residuals, % 0
0 to 0.9