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C68400 Brass vs. C61300 Bronze

Both C68400 brass and C61300 bronze 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 C68400 brass and the bottom bar is C61300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 18
34 to 40
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 41
43
Shear Strength, MPa 330
370 to 390
Tensile Strength: Ultimate (UTS), MPa 540
550 to 580
Tensile Strength: Yield (Proof), MPa 310
230 to 310

Thermal Properties

Latent Heat of Fusion, J/g 210
220
Maximum Temperature: Mechanical, °C 130
210
Melting Completion (Liquidus), °C 840
1050
Melting Onset (Solidus), °C 820
1040
Specific Heat Capacity, J/kg-K 400
420
Thermal Conductivity, W/m-K 66
55
Thermal Expansion, µm/m-K 20
18

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 23
29
Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 47
49
Embodied Water, L/kg 320
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
150 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 460
230 to 410
Stiffness to Weight: Axial, points 7.5
7.5
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 19
18 to 19
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 21
15
Thermal Shock Resistance, points 18
19 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.5
6.0 to 7.5
Boron (B), % 0.0010 to 0.030
0
Copper (Cu), % 59 to 64
88 to 91.8
Iron (Fe), % 0 to 1.0
2.0 to 3.0
Lead (Pb), % 0 to 0.090
0 to 0.010
Manganese (Mn), % 0.2 to 1.5
0 to 0.2
Nickel (Ni), % 0 to 0.5
0 to 0.15
Phosphorus (P), % 0.030 to 0.3
0 to 0.015
Silicon (Si), % 1.5 to 2.5
0 to 0.1
Tin (Sn), % 0 to 0.5
0.2 to 0.5
Zinc (Zn), % 28.6 to 39.3
0 to 0.2
Residuals, % 0
0 to 0.2