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C69710 Brass vs. C96700 Copper

Both C69710 brass and C96700 copper are copper alloys. They have 66% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C69710 brass and the bottom bar is C96700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
140
Elongation at Break, % 25
10
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
53
Tensile Strength: Ultimate (UTS), MPa 470
1210
Tensile Strength: Yield (Proof), MPa 230
550

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Maximum Temperature: Mechanical, °C 160
310
Melting Completion (Liquidus), °C 930
1170
Melting Onset (Solidus), °C 880
1110
Specific Heat Capacity, J/kg-K 400
400
Thermal Conductivity, W/m-K 40
30
Thermal Expansion, µm/m-K 19
15

Otherwise Unclassified Properties

Base Metal Price, % relative 26
90
Density, g/cm3 8.3
8.8
Embodied Carbon, kg CO2/kg material 2.7
9.5
Embodied Energy, MJ/kg 44
140
Embodied Water, L/kg 310
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
99
Resilience: Unit (Modulus of Resilience), kJ/m3 250
1080
Stiffness to Weight: Axial, points 7.3
8.9
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 16
38
Strength to Weight: Bending, points 16
29
Thermal Diffusivity, mm2/s 12
8.5
Thermal Shock Resistance, points 16
40

Alloy Composition


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Arsenic (As), % 0.030 to 0.060
0
Beryllium (Be), % 0
1.1 to 1.2
Copper (Cu), % 75 to 80
62.4 to 68.8
Iron (Fe), % 0 to 0.2
0.4 to 1.0
Lead (Pb), % 0.5 to 1.5
0 to 0.010
Manganese (Mn), % 0 to 0.4
0.4 to 1.0
Nickel (Ni), % 0
29 to 33
Silicon (Si), % 2.5 to 3.5
0 to 0.15
Titanium (Ti), % 0
0.15 to 0.35
Zinc (Zn), % 13.8 to 22
0
Zirconium (Zr), % 0
0.15 to 0.35
Residuals, % 0 to 0.5
0 to 0.5