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C44400 Brass vs. C31600 Bronze

Both C44400 brass and C31600 bronze are copper alloys. They have 80% 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 C31600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 350
270 to 460
Tensile Strength: Yield (Proof), MPa 120
80 to 390

Thermal Properties

Latent Heat of Fusion, J/g 180
200
Maximum Temperature: Mechanical, °C 140
180
Melting Completion (Liquidus), °C 940
1040
Melting Onset (Solidus), °C 900
1010
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 110
140
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
32
Electrical Conductivity: Equal Weight (Specific), % IACS 27
33

Otherwise Unclassified Properties

Base Metal Price, % relative 26
29
Density, g/cm3 8.3
8.8
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 46
43
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 65
28 to 690
Stiffness to Weight: Axial, points 7.2
7.1
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 12
8.5 to 15
Strength to Weight: Bending, points 13
11 to 15
Thermal Diffusivity, mm2/s 35
42
Thermal Shock Resistance, points 12
9.4 to 16

Alloy Composition


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Antimony (Sb), % 0.020 to 0.1
0
Copper (Cu), % 70 to 73
87.5 to 90.5
Iron (Fe), % 0 to 0.060
0 to 0.1
Lead (Pb), % 0 to 0.070
1.3 to 2.5
Nickel (Ni), % 0
0.7 to 1.2
Phosphorus (P), % 0
0.040 to 0.1
Tin (Sn), % 0.9 to 1.2
0
Zinc (Zn), % 25.2 to 29.1
5.2 to 10.5
Residuals, % 0 to 0.4
0 to 0.4