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C21000 Brass vs. C93200 Bronze

Both C21000 brass and C93200 bronze are copper alloys. They have 86% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C21000 brass and the bottom bar is C93200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 2.9 to 50
20
Poisson's Ratio 0.34
0.35
Rockwell B Hardness 36 to 73
65
Shear Modulus, GPa 43
38
Tensile Strength: Ultimate (UTS), MPa 240 to 450
240
Tensile Strength: Yield (Proof), MPa 69 to 440
130

Thermal Properties

Latent Heat of Fusion, J/g 200
180
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 1070
980
Melting Onset (Solidus), °C 1050
850
Specific Heat Capacity, J/kg-K 390
360
Thermal Conductivity, W/m-K 230
59
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
12
Electrical Conductivity: Equal Weight (Specific), % IACS 57
12

Otherwise Unclassified Properties

Base Metal Price, % relative 30
32
Density, g/cm3 8.8
8.8
Embodied Carbon, kg CO2/kg material 2.6
3.2
Embodied Energy, MJ/kg 42
52
Embodied Water, L/kg 310
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
40
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 830
76
Stiffness to Weight: Axial, points 7.2
6.5
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 7.4 to 14
7.5
Strength to Weight: Bending, points 9.6 to 15
9.7
Thermal Diffusivity, mm2/s 69
18
Thermal Shock Resistance, points 8.1 to 15
9.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.35
Copper (Cu), % 94 to 96
81 to 85
Iron (Fe), % 0 to 0.050
0 to 0.2
Lead (Pb), % 0 to 0.030
6.0 to 8.0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
6.3 to 7.5
Zinc (Zn), % 3.7 to 6.0
2.0 to 4.0
Residuals, % 0
0 to 1.0