MakeItFrom.com
Menu (ESC)

C63020 Bronze vs. C68800 Brass

Both C63020 bronze and C68800 brass are copper alloys. They have 77% of their average alloy composition in common. There are 27 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 C63020 bronze and the bottom bar is C68800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 6.8
2.0 to 36
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 44
41
Shear Strength, MPa 600
380 to 510
Tensile Strength: Ultimate (UTS), MPa 1020
570 to 890
Tensile Strength: Yield (Proof), MPa 740
390 to 790

Thermal Properties

Latent Heat of Fusion, J/g 230
190
Maximum Temperature: Mechanical, °C 230
160
Melting Completion (Liquidus), °C 1070
960
Melting Onset (Solidus), °C 1020
950
Specific Heat Capacity, J/kg-K 450
400
Thermal Conductivity, W/m-K 40
40
Thermal Expansion, µm/m-K 18
19

Otherwise Unclassified Properties

Base Metal Price, % relative 29
26
Density, g/cm3 8.2
8.2
Embodied Carbon, kg CO2/kg material 3.6
2.8
Embodied Energy, MJ/kg 58
48
Embodied Water, L/kg 390
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
16 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 2320
710 to 2860
Stiffness to Weight: Axial, points 8.0
7.3
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 34
19 to 30
Strength to Weight: Bending, points 27
19 to 25
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 35
19 to 30

Alloy Composition

Aluminum (Al), % 10 to 11
3.0 to 3.8
Chromium (Cr), % 0 to 0.050
0
Cobalt (Co), % 0 to 0.2
0.25 to 0.55
Copper (Cu), % 74.7 to 81.8
70.8 to 75.5
Iron (Fe), % 4.0 to 5.5
0 to 0.2
Lead (Pb), % 0 to 0.030
0 to 0.050
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 4.2 to 6.0
0
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.3
21.3 to 24.1
Residuals, % 0
0 to 0.5