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C69300 Brass vs. C92700 Bronze

Both C69300 brass and C92700 bronze are copper alloys. They have 76% 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 C69300 brass and the bottom bar is C92700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 8.5 to 15
9.1
Poisson's Ratio 0.32
0.34
Rockwell B Hardness 84 to 88
77
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 550 to 630
290
Tensile Strength: Yield (Proof), MPa 300 to 390
150

Thermal Properties

Latent Heat of Fusion, J/g 240
190
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 880
980
Melting Onset (Solidus), °C 860
840
Specific Heat Capacity, J/kg-K 400
370
Thermal Conductivity, W/m-K 38
47
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
11

Otherwise Unclassified Properties

Base Metal Price, % relative 26
35
Density, g/cm3 8.2
8.7
Embodied Carbon, kg CO2/kg material 2.7
3.6
Embodied Energy, MJ/kg 45
58
Embodied Water, L/kg 310
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 47 to 70
22
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 700
110
Stiffness to Weight: Axial, points 7.4
6.8
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 19 to 21
9.1
Strength to Weight: Bending, points 18 to 20
11
Thermal Diffusivity, mm2/s 12
15
Thermal Shock Resistance, points 19 to 22
11

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 73 to 77
86 to 89
Iron (Fe), % 0 to 0.1
0 to 0.2
Lead (Pb), % 0 to 0.090
1.0 to 2.5
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.1
0 to 1.0
Phosphorus (P), % 0.040 to 0.15
0 to 1.5
Silicon (Si), % 2.7 to 3.4
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.2
9.0 to 11
Zinc (Zn), % 18.4 to 24.3
0 to 0.7
Residuals, % 0
0 to 0.7