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Nickel 684 vs. SAE-AISI 1064 Steel

Nickel 684 belongs to the nickel alloys classification, while SAE-AISI 1064 steel belongs to the iron alloys. There are 28 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 nickel 684 and the bottom bar is SAE-AISI 1064 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
12 to 13
Fatigue Strength, MPa 390
300
Poisson's Ratio 0.29
0.29
Reduction in Area, % 17
42 to 43
Shear Modulus, GPa 76
72
Shear Strength, MPa 710
430 to 440
Tensile Strength: Ultimate (UTS), MPa 1190
720 to 730
Tensile Strength: Yield (Proof), MPa 800
470 to 480

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1000
400
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1320
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 75
1.8
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 10
1.4
Embodied Energy, MJ/kg 140
19
Embodied Water, L/kg 360
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
79 to 81
Resilience: Unit (Modulus of Resilience), kJ/m3 1610
600 to 630
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 40
25 to 26
Strength to Weight: Bending, points 30
23
Thermal Shock Resistance, points 34
25

Alloy Composition

Aluminum (Al), % 2.5 to 3.3
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0 to 0.15
0.6 to 0.7
Chromium (Cr), % 15 to 20
0
Cobalt (Co), % 13 to 20
0
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 0 to 4.0
98.4 to 98.9
Manganese (Mn), % 0 to 0.75
0.5 to 0.8
Molybdenum (Mo), % 3.0 to 5.0
0
Nickel (Ni), % 42.7 to 64
0
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.015
0 to 0.050
Titanium (Ti), % 2.5 to 3.3
0