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Nickel 725 vs. C68800 Brass

Nickel 725 belongs to the nickel alloys classification, while C68800 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is nickel 725 and the bottom bar is C68800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 34
2.0 to 36
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 78
41
Shear Strength, MPa 580
380 to 510
Tensile Strength: Ultimate (UTS), MPa 860
570 to 890
Tensile Strength: Yield (Proof), MPa 350
390 to 790

Thermal Properties

Latent Heat of Fusion, J/g 320
190
Maximum Temperature: Mechanical, °C 980
160
Melting Completion (Liquidus), °C 1340
960
Melting Onset (Solidus), °C 1270
950
Specific Heat Capacity, J/kg-K 440
400
Thermal Expansion, µm/m-K 13
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
18
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
20

Otherwise Unclassified Properties

Base Metal Price, % relative 75
26
Density, g/cm3 8.5
8.2
Embodied Carbon, kg CO2/kg material 13
2.8
Embodied Energy, MJ/kg 190
48
Embodied Water, L/kg 270
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
16 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 300
710 to 2860
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 28
19 to 30
Strength to Weight: Bending, points 24
19 to 25
Thermal Shock Resistance, points 23
19 to 30

Alloy Composition

Aluminum (Al), % 0 to 0.35
3.0 to 3.8
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 19 to 22.5
0
Cobalt (Co), % 0
0.25 to 0.55
Copper (Cu), % 0
70.8 to 75.5
Iron (Fe), % 2.3 to 15.3
0 to 0.2
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 0.35
0
Molybdenum (Mo), % 7.0 to 9.5
0
Nickel (Ni), % 55 to 59
0
Niobium (Nb), % 2.8 to 4.0
0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.2
0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 1.0 to 1.7
0
Zinc (Zn), % 0
21.3 to 24.1
Residuals, % 0
0 to 0.5