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Nickel 685 vs. C69400 Brass

Nickel 685 belongs to the nickel alloys classification, while C69400 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is nickel 685 and the bottom bar is C69400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 17
17
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 77
42
Shear Strength, MPa 770
350
Tensile Strength: Ultimate (UTS), MPa 1250
570
Tensile Strength: Yield (Proof), MPa 850
270

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Maximum Temperature: Mechanical, °C 1000
170
Melting Completion (Liquidus), °C 1380
920
Melting Onset (Solidus), °C 1330
820
Specific Heat Capacity, J/kg-K 460
410
Thermal Conductivity, W/m-K 13
26
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Base Metal Price, % relative 75
27
Density, g/cm3 8.4
8.3
Embodied Carbon, kg CO2/kg material 10
2.7
Embodied Energy, MJ/kg 140
44
Embodied Water, L/kg 340
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
80
Resilience: Unit (Modulus of Resilience), kJ/m3 1820
340
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 42
19
Strength to Weight: Bending, points 31
18
Thermal Diffusivity, mm2/s 3.3
7.7
Thermal Shock Resistance, points 37
20

Alloy Composition

Aluminum (Al), % 1.2 to 1.6
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.030 to 0.1
0
Chromium (Cr), % 18 to 21
0
Cobalt (Co), % 12 to 15
0
Copper (Cu), % 0 to 0.5
80 to 83
Iron (Fe), % 0 to 2.0
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 3.5 to 5.0
0
Nickel (Ni), % 49.6 to 62.5
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.75
3.5 to 4.5
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 2.8 to 3.3
0
Zinc (Zn), % 0.020 to 0.12
11.5 to 16.5
Residuals, % 0
0 to 0.5