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C44400 Brass vs. C71520 Copper-nickel

Both C44400 brass and C71520 copper-nickel are copper alloys. They have 69% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C44400 brass and the bottom bar is C71520 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
140
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
51
Tensile Strength: Ultimate (UTS), MPa 350
370 to 570
Tensile Strength: Yield (Proof), MPa 120
140 to 430

Thermal Properties

Latent Heat of Fusion, J/g 180
230
Maximum Temperature: Mechanical, °C 140
260
Melting Completion (Liquidus), °C 940
1170
Melting Onset (Solidus), °C 900
1120
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 110
32
Thermal Expansion, µm/m-K 20
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
5.7
Electrical Conductivity: Equal Weight (Specific), % IACS 27
5.8

Otherwise Unclassified Properties

Base Metal Price, % relative 26
40
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 2.8
5.0
Embodied Energy, MJ/kg 46
73
Embodied Water, L/kg 330
280

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 65
67 to 680
Stiffness to Weight: Axial, points 7.2
8.6
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 12
12 to 18
Strength to Weight: Bending, points 13
13 to 17
Thermal Diffusivity, mm2/s 35
8.9
Thermal Shock Resistance, points 12
12 to 19

Alloy Composition

Antimony (Sb), % 0.020 to 0.1
0
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 70 to 73
65 to 71.6
Iron (Fe), % 0 to 0.060
0.4 to 1.0
Lead (Pb), % 0 to 0.070
0 to 0.020
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
28 to 33
Phosphorus (P), % 0
0 to 0.2
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0.9 to 1.2
0
Zinc (Zn), % 25.2 to 29.1
0 to 0.5
Residuals, % 0
0 to 0.5