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C99400 Brass vs. C67300 Bronze

Both C99400 brass and C67300 bronze are copper alloys. They have 65% of their average alloy composition in common. There are 24 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 C99400 brass and the bottom bar is C67300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 44
41
Tensile Strength: Ultimate (UTS), MPa 460 to 550
500
Tensile Strength: Yield (Proof), MPa 230 to 370
340

Thermal Properties

Latent Heat of Fusion, J/g 230
190
Maximum Temperature: Mechanical, °C 200
130
Melting Completion (Liquidus), °C 1070
870
Melting Onset (Solidus), °C 1020
830
Specific Heat Capacity, J/kg-K 400
390
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
22
Electrical Conductivity: Equal Weight (Specific), % IACS 17
25

Otherwise Unclassified Properties

Base Metal Price, % relative 30
23
Density, g/cm3 8.7
8.0
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 45
46
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 590
550
Stiffness to Weight: Axial, points 7.5
7.4
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 15 to 17
17
Strength to Weight: Bending, points 15 to 17
17
Thermal Shock Resistance, points 16 to 19
16

Alloy Composition

Aluminum (Al), % 0.5 to 2.0
0 to 0.25
Copper (Cu), % 83.5 to 96.5
58 to 63
Iron (Fe), % 1.0 to 3.0
0 to 0.5
Lead (Pb), % 0 to 0.25
0.4 to 3.0
Manganese (Mn), % 0 to 0.5
2.0 to 3.5
Nickel (Ni), % 1.0 to 3.5
0 to 0.25
Silicon (Si), % 0.5 to 2.0
0.5 to 1.5
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0.5 to 5.0
27.2 to 39.1
Residuals, % 0
0 to 0.5