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C27200 Brass vs. C64210 Bronze

Both C27200 brass and C64210 bronze are copper alloys. They have 64% of their average alloy composition in common.

For each property being compared, the top bar is C27200 brass and the bottom bar is C64210 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 10 to 50
35
Poisson's Ratio 0.31
0.34
Rockwell B Hardness 53 to 86
77
Shear Modulus, GPa 40
42
Shear Strength, MPa 230 to 320
380
Tensile Strength: Ultimate (UTS), MPa 370 to 590
570
Tensile Strength: Yield (Proof), MPa 150 to 410
290

Thermal Properties

Latent Heat of Fusion, J/g 170
250
Maximum Temperature: Mechanical, °C 130
210
Melting Completion (Liquidus), °C 920
1040
Melting Onset (Solidus), °C 870
990
Specific Heat Capacity, J/kg-K 390
430
Thermal Conductivity, W/m-K 120
48
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
13
Electrical Conductivity: Equal Weight (Specific), % IACS 31
14

Otherwise Unclassified Properties

Base Metal Price, % relative 24
29
Density, g/cm3 8.1
8.4
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 45
49
Embodied Water, L/kg 320
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 270
170
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 810
360
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13 to 20
19
Strength to Weight: Bending, points 14 to 19
18
Thermal Diffusivity, mm2/s 37
13
Thermal Shock Resistance, points 12 to 20
21

Alloy Composition

Aluminum (Al), % 0
6.3 to 7.0
Arsenic (As), % 0
0 to 0.15
Copper (Cu), % 62 to 65
89 to 92.2
Iron (Fe), % 0 to 0.070
0 to 0.3
Lead (Pb), % 0 to 0.070
0 to 0.050
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.25
Silicon (Si), % 0
1.5 to 2.0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 34.6 to 38
0 to 0.5
Residuals, % 0
0 to 0.5