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C68400 Brass vs. C68000 Brass

Both C68400 brass and C68000 brass are copper alloys. They have a moderately high 94% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is C68000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 18
27
Poisson's Ratio 0.31
0.3
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 540
390
Tensile Strength: Yield (Proof), MPa 310
140

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 130
120
Melting Completion (Liquidus), °C 840
880
Melting Onset (Solidus), °C 820
870
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 66
96
Thermal Expansion, µm/m-K 20
21

Otherwise Unclassified Properties

Base Metal Price, % relative 23
23
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 47
48
Embodied Water, L/kg 320
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
82
Resilience: Unit (Modulus of Resilience), kJ/m3 460
95
Stiffness to Weight: Axial, points 7.5
7.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 19
14
Strength to Weight: Bending, points 19
15
Thermal Diffusivity, mm2/s 21
31
Thermal Shock Resistance, points 18
13

Alloy Composition


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Aluminum (Al), % 0 to 0.5
0 to 0.010
Boron (B), % 0.0010 to 0.030
0
Copper (Cu), % 59 to 64
56 to 60
Iron (Fe), % 0 to 1.0
0.25 to 1.3
Lead (Pb), % 0 to 0.090
0 to 0.050
Manganese (Mn), % 0.2 to 1.5
0.010 to 0.5
Nickel (Ni), % 0 to 0.5
0.2 to 0.8
Phosphorus (P), % 0.030 to 0.3
0
Silicon (Si), % 1.5 to 2.5
0.040 to 0.15
Tin (Sn), % 0 to 0.5
0.75 to 1.1
Zinc (Zn), % 28.6 to 39.3
35.6 to 42.8
Residuals, % 0 to 0.5
0 to 0.5