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C62300 Bronze vs. C68400 Brass

Both C62300 bronze and C68400 brass are copper alloys. They have 63% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C62300 bronze and the bottom bar is C68400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 18 to 32
18
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 43
41
Shear Strength, MPa 360 to 390
330
Tensile Strength: Ultimate (UTS), MPa 570 to 630
540
Tensile Strength: Yield (Proof), MPa 230 to 310
310

Thermal Properties

Latent Heat of Fusion, J/g 230
210
Maximum Temperature: Mechanical, °C 220
130
Melting Completion (Liquidus), °C 1050
840
Melting Onset (Solidus), °C 1040
820
Specific Heat Capacity, J/kg-K 440
400
Thermal Conductivity, W/m-K 54
66
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
87
Electrical Conductivity: Equal Weight (Specific), % IACS 13
99

Otherwise Unclassified Properties

Base Metal Price, % relative 28
23
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 3.1
2.7
Embodied Energy, MJ/kg 52
47
Embodied Water, L/kg 390
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95 to 150
81
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 430
460
Stiffness to Weight: Axial, points 7.6
7.5
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 19 to 21
19
Strength to Weight: Bending, points 18 to 20
19
Thermal Diffusivity, mm2/s 15
21
Thermal Shock Resistance, points 20 to 22
18

Alloy Composition

Aluminum (Al), % 8.5 to 10
0 to 0.5
Boron (B), % 0
0.0010 to 0.030
Copper (Cu), % 83.2 to 89.5
59 to 64
Iron (Fe), % 2.0 to 4.0
0 to 1.0
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0 to 0.5
0.2 to 1.5
Nickel (Ni), % 0 to 1.0
0 to 0.5
Phosphorus (P), % 0
0.030 to 0.3
Silicon (Si), % 0 to 0.25
1.5 to 2.5
Tin (Sn), % 0 to 0.6
0 to 0.5
Zinc (Zn), % 0
28.6 to 39.3
Residuals, % 0
0 to 0.5