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C44400 Brass vs. C68300 Brass

Both C44400 brass and C68300 brass are copper alloys. They have 89% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C44400 brass and the bottom bar is C68300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 350
430
Tensile Strength: Yield (Proof), MPa 120
260

Thermal Properties

Latent Heat of Fusion, J/g 180
180
Maximum Temperature: Mechanical, °C 140
120
Melting Completion (Liquidus), °C 940
900
Melting Onset (Solidus), °C 900
890
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 20
20

Otherwise Unclassified Properties

Base Metal Price, % relative 26
23
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 46
46
Embodied Water, L/kg 330
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 65
330
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 12
15
Strength to Weight: Bending, points 13
16
Thermal Diffusivity, mm2/s 35
38
Thermal Shock Resistance, points 12
14

Alloy Composition

Antimony (Sb), % 0.020 to 0.1
0.3 to 1.0
Cadmium (Cd), % 0
0 to 0.010
Copper (Cu), % 70 to 73
59 to 63
Iron (Fe), % 0 to 0.060
0
Lead (Pb), % 0 to 0.070
0 to 0.090
Silicon (Si), % 0
0.3 to 1.0
Tin (Sn), % 0.9 to 1.2
0.050 to 0.2
Zinc (Zn), % 25.2 to 29.1
34.2 to 40.4
Residuals, % 0
0 to 0.5