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C48600 Brass vs. C68300 Brass

Both C48600 brass and C68300 brass are copper alloys. They have a very high 97% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C48600 brass and the bottom bar is C68300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 20 to 25
15
Poisson's Ratio 0.31
0.31
Rockwell B Hardness 55 to 58
60
Shear Modulus, GPa 39
40
Shear Strength, MPa 180 to 230
260
Tensile Strength: Ultimate (UTS), MPa 280 to 360
430
Tensile Strength: Yield (Proof), MPa 110 to 170
260

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 120
120
Melting Completion (Liquidus), °C 900
900
Melting Onset (Solidus), °C 890
890
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 21
20

Otherwise Unclassified Properties

Base Metal Price, % relative 24
23
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 47
46
Embodied Water, L/kg 330
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 55 to 59
56
Resilience: Unit (Modulus of Resilience), kJ/m3 61 to 140
330
Stiffness to Weight: Axial, points 7.1
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 9.5 to 12
15
Strength to Weight: Bending, points 12 to 14
16
Thermal Diffusivity, mm2/s 36
38
Thermal Shock Resistance, points 9.3 to 12
14

Alloy Composition

Antimony (Sb), % 0
0.3 to 1.0
Arsenic (As), % 0.020 to 0.25
0
Cadmium (Cd), % 0
0 to 0.010
Copper (Cu), % 59 to 62
59 to 63
Lead (Pb), % 1.0 to 2.5
0 to 0.090
Silicon (Si), % 0
0.3 to 1.0
Tin (Sn), % 0.3 to 1.5
0.050 to 0.2
Zinc (Zn), % 33.4 to 39.7
34.2 to 40.4
Residuals, % 0
0 to 0.5