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C95200 Bronze vs. C87900 Brass

Both C95200 bronze and C87900 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 66% 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 C95200 bronze and the bottom bar is C87900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 29
25
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 520
480
Tensile Strength: Yield (Proof), MPa 190
240

Thermal Properties

Latent Heat of Fusion, J/g 230
190
Maximum Temperature: Mechanical, °C 220
130
Melting Completion (Liquidus), °C 1050
930
Melting Onset (Solidus), °C 1040
900
Specific Heat Capacity, J/kg-K 430
390
Thermal Conductivity, W/m-K 50
120
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
15
Electrical Conductivity: Equal Weight (Specific), % IACS 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 28
24
Density, g/cm3 8.3
8.1
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 50
46
Embodied Water, L/kg 380
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
100
Resilience: Unit (Modulus of Resilience), kJ/m3 170
270
Stiffness to Weight: Axial, points 7.6
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 17
17
Strength to Weight: Bending, points 17
17
Thermal Diffusivity, mm2/s 14
37
Thermal Shock Resistance, points 19
16

Alloy Composition

Aluminum (Al), % 8.5 to 9.5
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 86 to 89
63 to 69.2
Iron (Fe), % 2.5 to 4.0
0 to 0.4
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0.8 to 1.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Zinc (Zn), % 0
30 to 36
Residuals, % 0 to 1.0
0