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Nickel 684 vs. SAE-AISI 1074 Steel

Nickel 684 belongs to the nickel alloys classification, while SAE-AISI 1074 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 1074 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
220 to 250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
11 to 14
Fatigue Strength, MPa 390
290 to 350
Poisson's Ratio 0.29
0.29
Reduction in Area, % 17
34 to 45
Shear Modulus, GPa 76
72
Shear Strength, MPa 710
440 to 490
Tensile Strength: Ultimate (UTS), MPa 1190
740 to 820
Tensile Strength: Yield (Proof), MPa 800
450 to 570

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
12

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
77 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 1610
550 to 860
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 40
26 to 29
Strength to Weight: Bending, points 30
23 to 25
Thermal Shock Resistance, points 34
24 to 26

Alloy Composition

Aluminum (Al), % 2.5 to 3.3
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0 to 0.15
0.7 to 0.8
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
98.3 to 98.8
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