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C69700 Brass vs. C94700 Bronze

Both C69700 brass and C94700 bronze are copper alloys. They have 80% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C69700 brass and the bottom bar is C94700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
7.9 to 32
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
43
Tensile Strength: Ultimate (UTS), MPa 470
350 to 590
Tensile Strength: Yield (Proof), MPa 230
160 to 400

Thermal Properties

Latent Heat of Fusion, J/g 240
200
Maximum Temperature: Mechanical, °C 160
190
Melting Completion (Liquidus), °C 930
1030
Melting Onset (Solidus), °C 880
900
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 43
54
Thermal Expansion, µm/m-K 19
17

Otherwise Unclassified Properties

Base Metal Price, % relative 26
34
Density, g/cm3 8.3
8.8
Embodied Carbon, kg CO2/kg material 2.7
3.5
Embodied Energy, MJ/kg 44
56
Embodied Water, L/kg 310
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
41 to 89
Resilience: Unit (Modulus of Resilience), kJ/m3 250
110 to 700
Stiffness to Weight: Axial, points 7.3
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 16
11 to 19
Strength to Weight: Bending, points 16
13 to 18
Thermal Diffusivity, mm2/s 13
16
Thermal Shock Resistance, points 16
12 to 21

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.15
Copper (Cu), % 75 to 80
85 to 90
Iron (Fe), % 0 to 0.2
0 to 0.25
Lead (Pb), % 0.5 to 1.5
0 to 0.1
Manganese (Mn), % 0 to 0.4
0 to 0.2
Nickel (Ni), % 0
4.5 to 6.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 2.5 to 3.5
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
4.5 to 6.0
Zinc (Zn), % 13.9 to 22
1.0 to 2.5
Residuals, % 0
0 to 1.3