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C51100 Bronze vs. C69700 Brass

Both C51100 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 (4, in this case) are not shown.

For each property being compared, the top bar is C51100 bronze and the bottom bar is C69700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 2.5 to 50
25
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 42
41
Shear Strength, MPa 230 to 410
300
Tensile Strength: Ultimate (UTS), MPa 330 to 720
470
Tensile Strength: Yield (Proof), MPa 93 to 700
230

Thermal Properties

Latent Heat of Fusion, J/g 200
240
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 1060
930
Melting Onset (Solidus), °C 970
880
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 84
43
Thermal Expansion, µm/m-K 18
19

Otherwise Unclassified Properties

Base Metal Price, % relative 32
26
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 48
44
Embodied Water, L/kg 340
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 140
99
Resilience: Unit (Modulus of Resilience), kJ/m3 38 to 2170
250
Stiffness to Weight: Axial, points 7.1
7.3
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 10 to 22
16
Strength to Weight: Bending, points 12 to 20
16
Thermal Diffusivity, mm2/s 25
13
Thermal Shock Resistance, points 12 to 26
16

Alloy Composition

Copper (Cu), % 93.8 to 96.5
75 to 80
Iron (Fe), % 0 to 0.1
0 to 0.2
Lead (Pb), % 0 to 0.050
0.5 to 1.5
Manganese (Mn), % 0
0 to 0.4
Phosphorus (P), % 0.030 to 0.35
0
Silicon (Si), % 0
2.5 to 3.5
Tin (Sn), % 3.5 to 4.9
0
Zinc (Zn), % 0 to 0.3
13.9 to 22
Residuals, % 0
0 to 0.5