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C93900 Bronze vs. C68700 Brass

Both C93900 bronze and C68700 brass are copper alloys. They have 79% of their average alloy composition in common. There are 26 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 C93900 bronze and the bottom bar is C68700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 95
110
Poisson's Ratio 0.36
0.32
Shear Modulus, GPa 35
41
Tensile Strength: Ultimate (UTS), MPa 190
390
Tensile Strength: Yield (Proof), MPa 130
140

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 140
160
Melting Completion (Liquidus), °C 940
970
Melting Onset (Solidus), °C 850
930
Specific Heat Capacity, J/kg-K 340
400
Thermal Conductivity, W/m-K 52
100
Thermal Expansion, µm/m-K 19
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
23
Electrical Conductivity: Equal Weight (Specific), % IACS 11
25

Otherwise Unclassified Properties

Base Metal Price, % relative 30
26
Density, g/cm3 9.1
8.3
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 49
46
Embodied Water, L/kg 360
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 83
90
Stiffness to Weight: Axial, points 5.8
7.3
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 5.9
13
Strength to Weight: Bending, points 8.1
14
Thermal Diffusivity, mm2/s 17
30
Thermal Shock Resistance, points 7.5
13

Alloy Composition

Aluminum (Al), % 0 to 0.0050
1.8 to 2.5
Antimony (Sb), % 0 to 0.5
0
Arsenic (As), % 0
0.020 to 0.1
Copper (Cu), % 76.5 to 79.5
76 to 79
Iron (Fe), % 0 to 0.4
0 to 0.060
Lead (Pb), % 14 to 18
0 to 0.070
Nickel (Ni), % 0 to 0.8
0
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 5.0 to 7.0
0
Zinc (Zn), % 0 to 1.5
17.8 to 22.2
Residuals, % 0
0 to 0.5