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C93700 Bronze vs. C93200 Bronze

Both C93700 bronze and C93200 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a very high 96% of their average alloy composition in common. There are 32 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 C93700 bronze and the bottom bar is C93200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 210
320
Elastic (Young's, Tensile) Modulus, GPa 99
100
Elongation at Break, % 20
20
Fatigue Strength, MPa 90
110
Poisson's Ratio 0.35
0.35
Rockwell B Hardness 60
65
Shear Modulus, GPa 37
38
Tensile Strength: Ultimate (UTS), MPa 240
240
Tensile Strength: Yield (Proof), MPa 130
130

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 140
160
Melting Completion (Liquidus), °C 930
980
Melting Onset (Solidus), °C 760
850
Solidification (Pattern Maker's) Shrinkage, % 1.1
1.8
Specific Heat Capacity, J/kg-K 350
360
Thermal Conductivity, W/m-K 47
59
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
12
Electrical Conductivity: Equal Weight (Specific), % IACS 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 33
32
Density, g/cm3 8.9
8.8
Embodied Carbon, kg CO2/kg material 3.5
3.2
Embodied Energy, MJ/kg 57
52
Embodied Water, L/kg 390
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
40
Resilience: Unit (Modulus of Resilience), kJ/m3 79
76
Stiffness to Weight: Axial, points 6.2
6.5
Stiffness to Weight: Bending, points 17
18
Strength to Weight: Axial, points 7.5
7.5
Strength to Weight: Bending, points 9.6
9.7
Thermal Diffusivity, mm2/s 15
18
Thermal Shock Resistance, points 9.4
9.3

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.5
0 to 0.35
Copper (Cu), % 78 to 82
81 to 85
Iron (Fe), % 0 to 0.15
0 to 0.2
Lead (Pb), % 8.0 to 11
6.0 to 8.0
Nickel (Ni), % 0 to 1.0
0 to 1.0
Phosphorus (P), % 0 to 1.5
0 to 1.5
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0 to 0.080
0 to 0.080
Tin (Sn), % 9.0 to 11
6.3 to 7.5
Zinc (Zn), % 0 to 0.8
2.0 to 4.0
Residuals, % 0
0 to 1.0