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C91100 Bronze vs. C93900 Bronze

Both C91100 bronze and C93900 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 85% of their average alloy composition in common. There are 28 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 C91100 bronze and the bottom bar is C93900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
95
Elongation at Break, % 2.0
5.6
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 39
35
Tensile Strength: Ultimate (UTS), MPa 240
190
Tensile Strength: Yield (Proof), MPa 170
130

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 160
140
Melting Completion (Liquidus), °C 950
940
Melting Onset (Solidus), °C 820
850
Specific Heat Capacity, J/kg-K 360
340
Thermal Conductivity, W/m-K 63
52
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
11

Otherwise Unclassified Properties

Base Metal Price, % relative 38
30
Density, g/cm3 8.7
9.1
Embodied Carbon, kg CO2/kg material 4.2
3.0
Embodied Energy, MJ/kg 69
49
Embodied Water, L/kg 440
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
9.5
Resilience: Unit (Modulus of Resilience), kJ/m3 140
83
Stiffness to Weight: Axial, points 6.7
5.8
Stiffness to Weight: Bending, points 18
17
Strength to Weight: Axial, points 7.7
5.9
Strength to Weight: Bending, points 9.9
8.1
Thermal Diffusivity, mm2/s 20
17
Thermal Shock Resistance, points 9.1
7.5

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.2
0 to 0.5
Copper (Cu), % 82 to 85
76.5 to 79.5
Iron (Fe), % 0 to 0.25
0 to 0.4
Lead (Pb), % 0 to 0.25
14 to 18
Nickel (Ni), % 0 to 0.5
0 to 0.8
Phosphorus (P), % 0 to 1.0
0 to 1.5
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0 to 0.050
0 to 0.080
Tin (Sn), % 15 to 17
5.0 to 7.0
Zinc (Zn), % 0 to 0.25
0 to 1.5
Residuals, % 0
0 to 1.1