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C43500 Brass vs. C68300 Brass

Both C43500 brass and C68300 brass are copper alloys. They have 79% 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 C43500 brass and the bottom bar is C68300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 8.5 to 46
15
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 42
40
Shear Strength, MPa 220 to 310
260
Tensile Strength: Ultimate (UTS), MPa 320 to 530
430
Tensile Strength: Yield (Proof), MPa 120 to 480
260

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 1000
900
Melting Onset (Solidus), °C 970
890
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 19
20

Otherwise Unclassified Properties

Base Metal Price, % relative 28
23
Density, g/cm3 8.5
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 45
46
Embodied Water, L/kg 320
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44 to 120
56
Resilience: Unit (Modulus of Resilience), kJ/m3 65 to 1040
330
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 10 to 17
15
Strength to Weight: Bending, points 12 to 17
16
Thermal Diffusivity, mm2/s 37
38
Thermal Shock Resistance, points 11 to 18
14

Alloy Composition

Antimony (Sb), % 0
0.3 to 1.0
Cadmium (Cd), % 0
0 to 0.010
Copper (Cu), % 79 to 83
59 to 63
Iron (Fe), % 0 to 0.050
0
Lead (Pb), % 0 to 0.090
0 to 0.090
Silicon (Si), % 0
0.3 to 1.0
Tin (Sn), % 0.6 to 1.2
0.050 to 0.2
Zinc (Zn), % 15.4 to 20.4
34.2 to 40.4
Residuals, % 0
0 to 0.5