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C69700 Brass vs. C85900 Brass

Both C69700 brass and C85900 brass are copper alloys. They have 78% 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 C69700 brass and the bottom bar is C85900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 25
30
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 470
460
Tensile Strength: Yield (Proof), MPa 230
190

Thermal Properties

Latent Heat of Fusion, J/g 240
170
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 930
830
Melting Onset (Solidus), °C 880
790
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 43
89
Thermal Expansion, µm/m-K 19
20

Otherwise Unclassified Properties

Base Metal Price, % relative 26
24
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 44
49
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
110
Resilience: Unit (Modulus of Resilience), kJ/m3 250
170
Stiffness to Weight: Axial, points 7.3
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 16
16
Strength to Weight: Bending, points 16
17
Thermal Diffusivity, mm2/s 13
29
Thermal Shock Resistance, points 16
16

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.6
Antimony (Sb), % 0
0 to 0.2
Boron (B), % 0
0 to 0.2
Copper (Cu), % 75 to 80
58 to 62
Iron (Fe), % 0 to 0.2
0 to 0.5
Lead (Pb), % 0.5 to 1.5
0 to 0.090
Manganese (Mn), % 0 to 0.4
0 to 0.010
Nickel (Ni), % 0
0 to 1.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 2.5 to 3.5
0 to 0.25
Sulfur (S), % 0
0.1 to 0.65
Tin (Sn), % 0
0 to 1.5
Zinc (Zn), % 13.9 to 22
31 to 41
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.7