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CC490K Brass vs. C31400 Bronze

Both CC490K brass and C31400 bronze are copper alloys. They have a moderately high 94% 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 CC490K brass and the bottom bar is C31400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 15
6.8 to 29
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 230
270 to 420
Tensile Strength: Yield (Proof), MPa 110
78 to 310

Thermal Properties

Latent Heat of Fusion, J/g 190
200
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 980
1040
Melting Onset (Solidus), °C 910
1010
Specific Heat Capacity, J/kg-K 370
380
Thermal Conductivity, W/m-K 72
180
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
42
Electrical Conductivity: Equal Weight (Specific), % IACS 16
43

Otherwise Unclassified Properties

Base Metal Price, % relative 30
29
Density, g/cm3 8.8
8.8
Embodied Carbon, kg CO2/kg material 2.9
2.6
Embodied Energy, MJ/kg 47
42
Embodied Water, L/kg 340
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
26 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 54
28 to 420
Stiffness to Weight: Axial, points 6.8
7.1
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 7.3
8.7 to 13
Strength to Weight: Bending, points 9.5
11 to 14
Thermal Diffusivity, mm2/s 22
54
Thermal Shock Resistance, points 8.2
9.6 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.3
0
Copper (Cu), % 81 to 86
87.5 to 90.5
Iron (Fe), % 0 to 0.5
0 to 0.1
Lead (Pb), % 3.0 to 6.0
1.3 to 2.5
Nickel (Ni), % 0 to 2.0
0 to 0.7
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.010
0
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 2.0 to 3.5
0
Zinc (Zn), % 7.0 to 9.5
5.8 to 11.2
Residuals, % 0
0 to 0.4