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C92700 Bronze vs. C37700 Brass

Both C92700 bronze and C37700 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 62% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C92700 bronze and the bottom bar is C37700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 9.1
40
Poisson's Ratio 0.34
0.31
Rockwell B Hardness 77
45
Shear Modulus, GPa 40
39
Tensile Strength: Ultimate (UTS), MPa 290
400
Tensile Strength: Yield (Proof), MPa 150
160

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 980
890
Melting Onset (Solidus), °C 840
880
Specific Heat Capacity, J/kg-K 370
380
Thermal Conductivity, W/m-K 47
120
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
27
Electrical Conductivity: Equal Weight (Specific), % IACS 11
30

Otherwise Unclassified Properties

Base Metal Price, % relative 35
23
Density, g/cm3 8.7
8.1
Embodied Carbon, kg CO2/kg material 3.6
2.6
Embodied Energy, MJ/kg 58
45
Embodied Water, L/kg 390
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
130
Resilience: Unit (Modulus of Resilience), kJ/m3 110
120
Stiffness to Weight: Axial, points 6.8
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 9.1
14
Strength to Weight: Bending, points 11
15
Thermal Diffusivity, mm2/s 15
39
Thermal Shock Resistance, points 11
13

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 86 to 89
58 to 61
Iron (Fe), % 0 to 0.2
0 to 0.3
Lead (Pb), % 1.0 to 2.5
1.5 to 2.5
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 9.0 to 11
0
Zinc (Zn), % 0 to 0.7
35.7 to 40.5
Residuals, % 0
0 to 0.5