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C92700 Bronze vs. C68300 Brass

Both C92700 bronze and C68300 brass are copper alloys. They have 62% of their average alloy composition in common. There are 27 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 C92700 bronze and the bottom bar is C68300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 9.1
15
Poisson's Ratio 0.34
0.31
Rockwell B Hardness 77
60
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 290
430
Tensile Strength: Yield (Proof), MPa 150
260

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 980
900
Melting Onset (Solidus), °C 840
890
Specific Heat Capacity, J/kg-K 370
390
Thermal Conductivity, W/m-K 47
120
Thermal Expansion, µm/m-K 18
20

Otherwise Unclassified Properties

Base Metal Price, % relative 35
23
Density, g/cm3 8.7
8.0
Embodied Carbon, kg CO2/kg material 3.6
2.8
Embodied Energy, MJ/kg 58
46
Embodied Water, L/kg 390
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
56
Resilience: Unit (Modulus of Resilience), kJ/m3 110
330
Stiffness to Weight: Axial, points 6.8
7.3
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 9.1
15
Strength to Weight: Bending, points 11
16
Thermal Diffusivity, mm2/s 15
38
Thermal Shock Resistance, points 11
14

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0.3 to 1.0
Cadmium (Cd), % 0
0 to 0.010
Copper (Cu), % 86 to 89
59 to 63
Iron (Fe), % 0 to 0.2
0
Lead (Pb), % 1.0 to 2.5
0 to 0.090
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0.3 to 1.0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 9.0 to 11
0.050 to 0.2
Zinc (Zn), % 0 to 0.7
34.2 to 40.4
Residuals, % 0
0 to 0.5