MakeItFrom.com
Menu (ESC)

Nickel 684 vs. Nickel 825

Both nickel 684 and nickel 825 are nickel alloys. They have 66% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is nickel 684 and the bottom bar is nickel 825.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
34
Fatigue Strength, MPa 390
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 76
78
Shear Strength, MPa 710
430
Tensile Strength: Ultimate (UTS), MPa 1190
650
Tensile Strength: Yield (Proof), MPa 800
260

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Mechanical, °C 1000
980
Melting Completion (Liquidus), °C 1370
1400
Melting Onset (Solidus), °C 1320
1370
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 13
14

Otherwise Unclassified Properties

Base Metal Price, % relative 75
41
Density, g/cm3 8.3
8.2
Embodied Carbon, kg CO2/kg material 10
7.2
Embodied Energy, MJ/kg 140
100
Embodied Water, L/kg 360
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
180
Resilience: Unit (Modulus of Resilience), kJ/m3 1610
170
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 40
22
Strength to Weight: Bending, points 30
20
Thermal Shock Resistance, points 34
17

Alloy Composition

Aluminum (Al), % 2.5 to 3.3
0 to 0.2
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0 to 0.15
0 to 0.050
Chromium (Cr), % 15 to 20
19.5 to 23.5
Cobalt (Co), % 13 to 20
0
Copper (Cu), % 0 to 0.15
1.5 to 3.0
Iron (Fe), % 0 to 4.0
22 to 37.9
Manganese (Mn), % 0 to 0.75
0 to 1.0
Molybdenum (Mo), % 3.0 to 5.0
2.5 to 3.5
Nickel (Ni), % 42.7 to 64
38 to 46
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.75
0 to 0.050
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 2.5 to 3.3
0.6 to 1.2