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Nickel 684 vs. C69400 Brass

Nickel 684 belongs to the nickel alloys classification, while C69400 brass belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is nickel 684 and the bottom bar is C69400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 11
17
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 76
42
Shear Strength, MPa 710
350
Tensile Strength: Ultimate (UTS), MPa 1190
570
Tensile Strength: Yield (Proof), MPa 800
270

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Maximum Temperature: Mechanical, °C 1000
170
Melting Completion (Liquidus), °C 1370
920
Melting Onset (Solidus), °C 1320
820
Specific Heat Capacity, J/kg-K 470
410
Thermal Expansion, µm/m-K 13
18

Otherwise Unclassified Properties

Base Metal Price, % relative 75
27
Density, g/cm3 8.3
8.3
Embodied Carbon, kg CO2/kg material 10
2.7
Embodied Energy, MJ/kg 140
44
Embodied Water, L/kg 360
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
80
Resilience: Unit (Modulus of Resilience), kJ/m3 1610
340
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 40
19
Strength to Weight: Bending, points 30
18
Thermal Shock Resistance, points 34
20

Alloy Composition

Aluminum (Al), % 2.5 to 3.3
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 15 to 20
0
Cobalt (Co), % 13 to 20
0
Copper (Cu), % 0 to 0.15
80 to 83
Iron (Fe), % 0 to 4.0
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0 to 0.75
0
Molybdenum (Mo), % 3.0 to 5.0
0
Nickel (Ni), % 42.7 to 64
0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.75
3.5 to 4.5
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 2.5 to 3.3
0
Zinc (Zn), % 0
11.5 to 16.5
Residuals, % 0
0 to 0.5