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CC491K Bronze vs. C38000 Brass

Both CC491K bronze and C38000 brass are copper alloys. They have 65% 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 CC491K bronze and the bottom bar is C38000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 13
17
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 40
39
Tensile Strength: Ultimate (UTS), MPa 260
380
Tensile Strength: Yield (Proof), MPa 120
120

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 160
110
Melting Completion (Liquidus), °C 980
800
Melting Onset (Solidus), °C 900
760
Specific Heat Capacity, J/kg-K 370
380
Thermal Conductivity, W/m-K 71
110
Thermal Expansion, µm/m-K 19
21

Otherwise Unclassified Properties

Base Metal Price, % relative 31
22
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 3.1
2.7
Embodied Energy, MJ/kg 51
46
Embodied Water, L/kg 350
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
50
Resilience: Unit (Modulus of Resilience), kJ/m3 67
74
Stiffness to Weight: Axial, points 6.7
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.1
13
Strength to Weight: Bending, points 10
14
Thermal Diffusivity, mm2/s 22
37
Thermal Shock Resistance, points 9.3
13

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.5
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 81 to 87
55 to 60
Iron (Fe), % 0 to 0.3
0 to 0.35
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 to 0.3
Zinc (Zn), % 4.0 to 6.0
35.9 to 43.5
Residuals, % 0
0 to 0.5