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C93700 Bronze vs. C83400 Brass

Both C93700 bronze and C83400 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 82% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C93700 bronze and the bottom bar is C83400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 99
110
Elongation at Break, % 20
30
Poisson's Ratio 0.35
0.33
Shear Modulus, GPa 37
42
Tensile Strength: Ultimate (UTS), MPa 240
240
Tensile Strength: Yield (Proof), MPa 130
69

Thermal Properties

Latent Heat of Fusion, J/g 170
200
Maximum Temperature: Mechanical, °C 140
180
Melting Completion (Liquidus), °C 930
1040
Melting Onset (Solidus), °C 760
1020
Specific Heat Capacity, J/kg-K 350
380
Thermal Conductivity, W/m-K 47
190
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
44
Electrical Conductivity: Equal Weight (Specific), % IACS 10
46

Otherwise Unclassified Properties

Base Metal Price, % relative 33
29
Density, g/cm3 8.9
8.7
Embodied Carbon, kg CO2/kg material 3.5
2.7
Embodied Energy, MJ/kg 57
43
Embodied Water, L/kg 390
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
55
Resilience: Unit (Modulus of Resilience), kJ/m3 79
21
Stiffness to Weight: Axial, points 6.2
7.2
Stiffness to Weight: Bending, points 17
19
Strength to Weight: Axial, points 7.5
7.7
Strength to Weight: Bending, points 9.6
9.9
Thermal Diffusivity, mm2/s 15
57
Thermal Shock Resistance, points 9.4
8.4

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.5
0 to 0.25
Copper (Cu), % 78 to 82
88 to 92
Iron (Fe), % 0 to 0.15
0 to 0.25
Lead (Pb), % 8.0 to 11
0 to 0.5
Nickel (Ni), % 0 to 1.0
0 to 1.0
Phosphorus (P), % 0 to 1.5
0 to 0.030
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
0 to 0.2
Zinc (Zn), % 0 to 0.8
8.0 to 12
Residuals, % 0
0 to 0.7