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EN 2.4654 Nickel vs. Nickel 684

Both EN 2.4654 nickel and nickel 684 are nickel alloys. Both are furnished in the aged (precipitation hardened) condition. They have a moderately high 94% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 2.4654 nickel and the bottom bar is nickel 684.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
11
Fatigue Strength, MPa 460
390
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
76
Shear Strength, MPa 770
710
Tensile Strength: Ultimate (UTS), MPa 1250
1190
Tensile Strength: Yield (Proof), MPa 850
800

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Maximum Temperature: Mechanical, °C 1000
1000
Melting Completion (Liquidus), °C 1390
1370
Melting Onset (Solidus), °C 1330
1320
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
75
Density, g/cm3 8.4
8.3
Embodied Carbon, kg CO2/kg material 10
10
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 340
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1810
1610
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 42
40
Strength to Weight: Bending, points 31
30
Thermal Shock Resistance, points 37
34

Alloy Composition

Aluminum (Al), % 1.2 to 1.6
2.5 to 3.3
Boron (B), % 0.0030 to 0.010
0.0030 to 0.010
Carbon (C), % 0.020 to 0.1
0 to 0.15
Chromium (Cr), % 18 to 21
15 to 20
Cobalt (Co), % 12 to 15
13 to 20
Copper (Cu), % 0 to 0.1
0 to 0.15
Iron (Fe), % 0 to 2.0
0 to 4.0
Manganese (Mn), % 0 to 1.0
0 to 0.75
Molybdenum (Mo), % 3.5 to 5.0
3.0 to 5.0
Nickel (Ni), % 50.6 to 62.5
42.7 to 64
Phosphorus (P), % 0 to 0.015
0 to 0.015
Silicon (Si), % 0 to 0.15
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 2.8 to 3.3
2.5 to 3.3
Zirconium (Zr), % 0.020 to 0.080
0