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C37100 Brass vs. C91100 Bronze

Both C37100 brass and C91100 bronze are copper alloys. They have 60% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C37100 brass and the bottom bar is C91100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 8.0 to 40
2.0
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
39
Tensile Strength: Ultimate (UTS), MPa 370 to 520
240
Tensile Strength: Yield (Proof), MPa 150 to 390
170

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 120
160
Melting Completion (Liquidus), °C 900
950
Melting Onset (Solidus), °C 890
820
Specific Heat Capacity, J/kg-K 380
360
Thermal Conductivity, W/m-K 120
63
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 30
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 23
38
Density, g/cm3 8.0
8.7
Embodied Carbon, kg CO2/kg material 2.7
4.2
Embodied Energy, MJ/kg 45
69
Embodied Water, L/kg 320
440

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 120
4.4
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 750
140
Stiffness to Weight: Axial, points 7.2
6.7
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 13 to 18
7.7
Strength to Weight: Bending, points 14 to 18
9.9
Thermal Diffusivity, mm2/s 39
20
Thermal Shock Resistance, points 12 to 17
9.1

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 58 to 62
82 to 85
Iron (Fe), % 0 to 0.15
0 to 0.25
Lead (Pb), % 0.6 to 1.2
0 to 0.25
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 1.0
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
15 to 17
Zinc (Zn), % 36.3 to 41.4
0 to 0.25
Residuals, % 0 to 0.4
0