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C68400 Brass vs. C46200 Brass

Both C68400 brass and C46200 brass are copper alloys. They have a very high 96% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is C46200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 18
17 to 34
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 41
40
Shear Strength, MPa 330
240 to 290
Tensile Strength: Ultimate (UTS), MPa 540
370 to 480
Tensile Strength: Yield (Proof), MPa 310
120 to 290

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 130
120
Melting Completion (Liquidus), °C 840
840
Melting Onset (Solidus), °C 820
800
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 66
110
Thermal Expansion, µm/m-K 20
20

Otherwise Unclassified Properties

Base Metal Price, % relative 23
24
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 47
46
Embodied Water, L/kg 320
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
69 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 460
72 to 400
Stiffness to Weight: Axial, points 7.5
7.2
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 19
13 to 16
Strength to Weight: Bending, points 19
14 to 17
Thermal Diffusivity, mm2/s 21
35
Thermal Shock Resistance, points 18
12 to 16

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0.0010 to 0.030
0
Copper (Cu), % 59 to 64
62 to 65
Iron (Fe), % 0 to 1.0
0 to 0.1
Lead (Pb), % 0 to 0.090
0 to 0.2
Manganese (Mn), % 0.2 to 1.5
0
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0.030 to 0.3
0
Silicon (Si), % 1.5 to 2.5
0
Tin (Sn), % 0 to 0.5
0.5 to 1.0
Zinc (Zn), % 28.6 to 39.3
33.3 to 37.5
Residuals, % 0
0 to 0.4