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C69700 Brass vs. C51000 Bronze

Both C69700 brass and C51000 bronze 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 C69700 brass and the bottom bar is C51000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
2.7 to 64
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
42
Shear Strength, MPa 300
250 to 460
Tensile Strength: Ultimate (UTS), MPa 470
330 to 780
Tensile Strength: Yield (Proof), MPa 230
130 to 750

Thermal Properties

Latent Heat of Fusion, J/g 240
200
Maximum Temperature: Mechanical, °C 160
190
Melting Completion (Liquidus), °C 930
1050
Melting Onset (Solidus), °C 880
960
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 43
77
Thermal Expansion, µm/m-K 19
18

Otherwise Unclassified Properties

Base Metal Price, % relative 26
33
Density, g/cm3 8.3
8.8
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 44
50
Embodied Water, L/kg 310
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
7.0 to 490
Resilience: Unit (Modulus of Resilience), kJ/m3 250
75 to 2490
Stiffness to Weight: Axial, points 7.3
7.0
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 16
10 to 25
Strength to Weight: Bending, points 16
12 to 21
Thermal Diffusivity, mm2/s 13
23
Thermal Shock Resistance, points 16
12 to 28

Alloy Composition

Copper (Cu), % 75 to 80
92.9 to 95.5
Iron (Fe), % 0 to 0.2
0 to 0.1
Lead (Pb), % 0.5 to 1.5
0 to 0.050
Manganese (Mn), % 0 to 0.4
0
Phosphorus (P), % 0
0.030 to 0.35
Silicon (Si), % 2.5 to 3.5
0
Tin (Sn), % 0
4.5 to 5.8
Zinc (Zn), % 13.9 to 22
0 to 0.3
Residuals, % 0
0 to 0.5