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C94700 Bronze vs. C69700 Brass

Both C94700 bronze and C69700 brass 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 C94700 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, % 7.9 to 32
25
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 43
41
Tensile Strength: Ultimate (UTS), MPa 350 to 590
470
Tensile Strength: Yield (Proof), MPa 160 to 400
230

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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