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C68400 Brass vs. C48200 Brass

Both C68400 brass and C48200 brass are copper alloys. They have a moderately high 95% 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 C48200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 18
15 to 40
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 41
40
Shear Strength, MPa 330
260 to 300
Tensile Strength: Ultimate (UTS), MPa 540
400 to 500
Tensile Strength: Yield (Proof), MPa 310
160 to 320

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 130
120
Melting Completion (Liquidus), °C 840
900
Melting Onset (Solidus), °C 820
890
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 66
120
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
26
Electrical Conductivity: Equal Weight (Specific), % IACS 99
29

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
61 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 460
120 to 500
Stiffness to Weight: Axial, points 7.5
7.2
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 19
14 to 17
Strength to Weight: Bending, points 19
15 to 17
Thermal Diffusivity, mm2/s 21
38
Thermal Shock Resistance, points 18
13 to 16

Alloy Composition


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Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0.0010 to 0.030
0
Copper (Cu), % 59 to 64
59 to 62
Iron (Fe), % 0 to 1.0
0 to 0.1
Lead (Pb), % 0 to 0.090
0.4 to 1.0
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
35.5 to 40.1
Residuals, % 0 to 0.5
0 to 0.4