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C47940 Brass vs. CC492K Bronze

Both C47940 brass and CC492K bronze are copper alloys. They have 70% of their average alloy composition in common. There are 26 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 C47940 brass and the bottom bar is CC492K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 14 to 34
14
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 380 to 520
280
Tensile Strength: Yield (Proof), MPa 160 to 390
150

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 850
1000
Melting Onset (Solidus), °C 800
900
Specific Heat Capacity, J/kg-K 380
370
Thermal Conductivity, W/m-K 110
73
Thermal Expansion, µm/m-K 20
18

Otherwise Unclassified Properties

Base Metal Price, % relative 25
33
Density, g/cm3 8.2
8.8
Embodied Carbon, kg CO2/kg material 2.8
3.4
Embodied Energy, MJ/kg 47
54
Embodied Water, L/kg 330
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 100
33
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 740
100
Stiffness to Weight: Axial, points 7.1
6.8
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 13 to 17
8.7
Strength to Weight: Bending, points 14 to 17
11
Thermal Diffusivity, mm2/s 36
23
Thermal Shock Resistance, points 13 to 17
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 63 to 66
83 to 89
Iron (Fe), % 0.1 to 1.0
0 to 0.2
Lead (Pb), % 1.0 to 2.0
2.5 to 3.5
Nickel (Ni), % 0.1 to 0.5
0 to 2.0
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 1.2 to 2.0
6.0 to 8.0
Zinc (Zn), % 28.1 to 34.6
1.5 to 3.0
Residuals, % 0 to 0.4
0