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C87800 Brass vs. C69710 Brass

Both C87800 brass and C69710 brass are copper alloys. They have a very high 95% of their average alloy composition in common. There are 28 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 C87800 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, % 25
25
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 590
470
Tensile Strength: Yield (Proof), MPa 350
230

Thermal Properties

Latent Heat of Fusion, J/g 260
240
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 920
930
Melting Onset (Solidus), °C 820
880
Specific Heat Capacity, J/kg-K 410
400
Thermal Conductivity, W/m-K 28
40
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 27
26
Density, g/cm3 8.3
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 44
44
Embodied Water, L/kg 300
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
99
Resilience: Unit (Modulus of Resilience), kJ/m3 540
250
Stiffness to Weight: Axial, points 7.4
7.3
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 20
16
Strength to Weight: Bending, points 19
16
Thermal Diffusivity, mm2/s 8.3
12
Thermal Shock Resistance, points 21
16

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0.030 to 0.060
Copper (Cu), % 80 to 84.2
75 to 80
Iron (Fe), % 0 to 0.15
0 to 0.2
Lead (Pb), % 0 to 0.15
0.5 to 1.5
Magnesium (Mg), % 0 to 0.010
0
Manganese (Mn), % 0 to 0.15
0 to 0.4
Nickel (Ni), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 3.8 to 4.2
2.5 to 3.5
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 12 to 16
13.8 to 22
Residuals, % 0
0 to 0.5