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C92700 Bronze vs. C83400 Brass

Both C92700 bronze and C83400 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 89% 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 C92700 bronze and the bottom bar is C83400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 9.1
30
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 290
240
Tensile Strength: Yield (Proof), MPa 150
69

Thermal Properties

Latent Heat of Fusion, J/g 190
200
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 980
1040
Melting Onset (Solidus), °C 840
1020
Specific Heat Capacity, J/kg-K 370
380
Thermal Conductivity, W/m-K 47
190
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
44
Electrical Conductivity: Equal Weight (Specific), % IACS 11
46

Otherwise Unclassified Properties

Base Metal Price, % relative 35
29
Density, g/cm3 8.7
8.7
Embodied Carbon, kg CO2/kg material 3.6
2.7
Embodied Energy, MJ/kg 58
43
Embodied Water, L/kg 390
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
55
Resilience: Unit (Modulus of Resilience), kJ/m3 110
21
Stiffness to Weight: Axial, points 6.8
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 9.1
7.7
Strength to Weight: Bending, points 11
9.9
Thermal Diffusivity, mm2/s 15
57
Thermal Shock Resistance, points 11
8.4

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.25
0 to 0.25
Copper (Cu), % 86 to 89
88 to 92
Iron (Fe), % 0 to 0.2
0 to 0.25
Lead (Pb), % 1.0 to 2.5
0 to 0.5
Nickel (Ni), % 0 to 1.0
0 to 1.0
Phosphorus (P), % 0 to 1.5
0 to 0.030
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0 to 0.050
0 to 0.080
Tin (Sn), % 9.0 to 11
0 to 0.2
Zinc (Zn), % 0 to 0.7
8.0 to 12
Residuals, % 0
0 to 0.7