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C93700 Bronze vs. C85200 Brass

Both C93700 bronze and C85200 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 78% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C93700 bronze and the bottom bar is C85200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 99
110
Elongation at Break, % 20
28
Poisson's Ratio 0.35
0.32
Shear Modulus, GPa 37
40
Tensile Strength: Ultimate (UTS), MPa 240
270
Tensile Strength: Yield (Proof), MPa 130
95

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 140
140
Melting Completion (Liquidus), °C 930
940
Melting Onset (Solidus), °C 760
930
Specific Heat Capacity, J/kg-K 350
380
Thermal Conductivity, W/m-K 47
84
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
18
Electrical Conductivity: Equal Weight (Specific), % IACS 10
19

Otherwise Unclassified Properties

Base Metal Price, % relative 33
26
Density, g/cm3 8.9
8.4
Embodied Carbon, kg CO2/kg material 3.5
2.8
Embodied Energy, MJ/kg 57
46
Embodied Water, L/kg 390
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
59
Resilience: Unit (Modulus of Resilience), kJ/m3 79
42
Stiffness to Weight: Axial, points 6.2
7.0
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 7.5
8.9
Strength to Weight: Bending, points 9.6
11
Thermal Diffusivity, mm2/s 15
27
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 0.2
Copper (Cu), % 78 to 82
70 to 74
Iron (Fe), % 0 to 0.15
0 to 0.6
Lead (Pb), % 8.0 to 11
1.5 to 3.8
Nickel (Ni), % 0 to 1.0
0 to 1.0
Phosphorus (P), % 0 to 1.5
0 to 0.020
Silicon (Si), % 0 to 0.0050
0 to 0.050
Sulfur (S), % 0 to 0.080
0 to 0.050
Tin (Sn), % 9.0 to 11
0.7 to 2.0
Zinc (Zn), % 0 to 0.8
20 to 27
Residuals, % 0
0 to 0.9