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C46200 Brass vs. C68400 Brass

Both C46200 brass and C68400 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 C46200 brass and the bottom bar is C68400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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