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C92700 Bronze vs. C34200 Brass

Both C92700 bronze and C34200 brass are copper alloys. They have 66% of their average alloy composition in common. There are 29 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 C34200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 9.1
3.0 to 17
Poisson's Ratio 0.34
0.31
Rockwell B Hardness 77
53 to 91
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 290
370 to 650
Tensile Strength: Yield (Proof), MPa 150
150 to 420

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 980
910
Melting Onset (Solidus), °C 840
890
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
26
Electrical Conductivity: Equal Weight (Specific), % IACS 11
29

Otherwise Unclassified Properties

Base Metal Price, % relative 35
24
Density, g/cm3 8.7
8.2
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
9.0 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 110
110 to 870
Stiffness to Weight: Axial, points 6.8
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 9.1
13 to 22
Strength to Weight: Bending, points 11
14 to 20
Thermal Diffusivity, mm2/s 15
37
Thermal Shock Resistance, points 11
12 to 22

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 86 to 89
62 to 65
Iron (Fe), % 0 to 0.2
0 to 0.1
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
32 to 36.5
Residuals, % 0
0 to 0.4