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C67600 Bronze vs. C69700 Brass

Both C67600 bronze and C69700 brass are copper alloys. They have 78% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C67600 bronze and the bottom bar is C69700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 13 to 33
25
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 40
41
Shear Strength, MPa 270 to 350
300
Tensile Strength: Ultimate (UTS), MPa 430 to 570
470
Tensile Strength: Yield (Proof), MPa 170 to 380
230

Thermal Properties

Latent Heat of Fusion, J/g 170
240
Maximum Temperature: Mechanical, °C 120
160
Melting Completion (Liquidus), °C 890
930
Melting Onset (Solidus), °C 870
880
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 110
43
Thermal Expansion, µm/m-K 21
19

Otherwise Unclassified Properties

Base Metal Price, % relative 23
26
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 47
44
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63 to 130
99
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 680
250
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 15 to 20
16
Strength to Weight: Bending, points 16 to 19
16
Thermal Diffusivity, mm2/s 35
13
Thermal Shock Resistance, points 14 to 19
16

Alloy Composition

Copper (Cu), % 57 to 60
75 to 80
Iron (Fe), % 0.4 to 1.3
0 to 0.2
Lead (Pb), % 0.5 to 1.0
0.5 to 1.5
Manganese (Mn), % 0.050 to 0.5
0 to 0.4
Silicon (Si), % 0
2.5 to 3.5
Tin (Sn), % 0.5 to 1.5
0
Zinc (Zn), % 35.2 to 41.6
13.9 to 22
Residuals, % 0
0 to 0.5