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CC491K Bronze vs. C34500 Brass

Both CC491K bronze and C34500 brass are copper alloys. They have 71% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is CC491K bronze and the bottom bar is C34500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 13
12 to 28
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 260
340 to 430
Tensile Strength: Yield (Proof), MPa 120
120 to 180

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 980
910
Melting Onset (Solidus), °C 900
890
Specific Heat Capacity, J/kg-K 370
380
Thermal Conductivity, W/m-K 71
120
Thermal Expansion, µm/m-K 19
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
26
Electrical Conductivity: Equal Weight (Specific), % IACS 15
29

Otherwise Unclassified Properties

Base Metal Price, % relative 31
24
Density, g/cm3 8.9
8.2
Embodied Carbon, kg CO2/kg material 3.1
2.6
Embodied Energy, MJ/kg 51
45
Embodied Water, L/kg 350
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
42 to 75
Resilience: Unit (Modulus of Resilience), kJ/m3 67
69 to 160
Stiffness to Weight: Axial, points 6.7
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.1
12 to 15
Strength to Weight: Bending, points 10
13 to 16
Thermal Diffusivity, mm2/s 22
37
Thermal Shock Resistance, points 9.3
11 to 14

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 81 to 87
62 to 65
Iron (Fe), % 0 to 0.3
0 to 0.15
Lead (Pb), % 4.0 to 6.0
1.5 to 2.5
Nickel (Ni), % 0 to 2.0
0
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
0
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
0
Zinc (Zn), % 4.0 to 6.0
32 to 36.5
Residuals, % 0
0 to 0.4