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C81400 Copper vs. C48600 Brass

Both C81400 copper and C48600 brass are copper alloys. They have 61% 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 C81400 copper and the bottom bar is C48600 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 11
20 to 25
Poisson's Ratio 0.34
0.31
Rockwell B Hardness 69
55 to 58
Shear Modulus, GPa 41
39
Tensile Strength: Ultimate (UTS), MPa 370
280 to 360
Tensile Strength: Yield (Proof), MPa 250
110 to 170

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 1090
900
Melting Onset (Solidus), °C 1070
890
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 260
110
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
25
Electrical Conductivity: Equal Weight (Specific), % IACS 61
28

Otherwise Unclassified Properties

Base Metal Price, % relative 33
24
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 45
47
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
55 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 260
61 to 140
Stiffness to Weight: Axial, points 7.3
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
9.5 to 12
Strength to Weight: Bending, points 13
12 to 14
Thermal Diffusivity, mm2/s 75
36
Thermal Shock Resistance, points 13
9.3 to 12

Alloy Composition

Arsenic (As), % 0
0.020 to 0.25
Beryllium (Be), % 0.020 to 0.1
0
Chromium (Cr), % 0.6 to 1.0
0
Copper (Cu), % 98.4 to 99.38
59 to 62
Lead (Pb), % 0
1.0 to 2.5
Tin (Sn), % 0
0.3 to 1.5
Zinc (Zn), % 0
33.4 to 39.7
Residuals, % 0
0 to 0.4