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C68300 Brass vs. C48600 Brass

Both C68300 brass and C48600 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 C68300 brass and the bottom bar is C48600 brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Antimony (Sb), % 0.3 to 1.0
0
Arsenic (As), % 0
0.020 to 0.25
Cadmium (Cd), % 0 to 0.010
0
Copper (Cu), % 59 to 63
59 to 62
Lead (Pb), % 0 to 0.090
1.0 to 2.5
Silicon (Si), % 0.3 to 1.0
0
Tin (Sn), % 0.050 to 0.2
0.3 to 1.5
Zinc (Zn), % 34.2 to 40.4
33.4 to 39.7
Residuals, % 0
0 to 0.4