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C44400 Brass vs. C91700 Bronze

Both C44400 brass and C91700 bronze are copper alloys. They have 73% of their average alloy composition in common. There are 26 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 C44400 brass and the bottom bar is C91700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
41
Tensile Strength: Ultimate (UTS), MPa 350
330
Tensile Strength: Yield (Proof), MPa 120
170

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 140
170
Melting Completion (Liquidus), °C 940
1020
Melting Onset (Solidus), °C 900
850
Specific Heat Capacity, J/kg-K 380
370
Thermal Conductivity, W/m-K 110
71
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
10
Electrical Conductivity: Equal Weight (Specific), % IACS 27
10

Otherwise Unclassified Properties

Base Metal Price, % relative 26
36
Density, g/cm3 8.3
8.7
Embodied Carbon, kg CO2/kg material 2.8
3.9
Embodied Energy, MJ/kg 46
63
Embodied Water, L/kg 330
400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 65
140
Stiffness to Weight: Axial, points 7.2
6.9
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 12
11
Strength to Weight: Bending, points 13
12
Thermal Diffusivity, mm2/s 35
22
Thermal Shock Resistance, points 12
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0.020 to 0.1
0 to 0.2
Copper (Cu), % 70 to 73
84.2 to 87.5
Iron (Fe), % 0 to 0.060
0 to 0.2
Lead (Pb), % 0 to 0.070
0 to 0.25
Nickel (Ni), % 0
1.2 to 2.0
Phosphorus (P), % 0
0 to 0.3
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0.9 to 1.2
11.3 to 12.5
Zinc (Zn), % 25.2 to 29.1
0 to 0.25
Residuals, % 0 to 0.4
0