MakeItFrom.com
Menu (ESC)

Nickel 690 vs. Nickel 684

Both nickel 690 and nickel 684 are nickel alloys. They have 73% of their average alloy composition in common. 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 690 and the bottom bar is nickel 684.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
310
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 3.4 to 34
11
Fatigue Strength, MPa 180 to 300
390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
76
Shear Strength, MPa 420 to 570
710
Tensile Strength: Ultimate (UTS), MPa 640 to 990
1190
Tensile Strength: Yield (Proof), MPa 250 to 760
800

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Maximum Temperature: Mechanical, °C 1010
1000
Melting Completion (Liquidus), °C 1380
1370
Melting Onset (Solidus), °C 1340
1320
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 50
75
Density, g/cm3 8.3
8.3
Embodied Carbon, kg CO2/kg material 8.2
10
Embodied Energy, MJ/kg 120
140
Embodied Water, L/kg 290
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
120
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
1610
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 21 to 33
40
Strength to Weight: Bending, points 20 to 27
30
Thermal Shock Resistance, points 16 to 25
34

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.050
0 to 0.15
Chromium (Cr), % 27 to 31
15 to 20
Cobalt (Co), % 0
13 to 20
Copper (Cu), % 0 to 0.5
0 to 0.15
Iron (Fe), % 7.0 to 11
0 to 4.0
Manganese (Mn), % 0 to 0.5
0 to 0.75
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 58 to 66
42.7 to 64
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
2.5 to 3.3