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Nickel 684 vs. S32050 Stainless Steel

Nickel 684 belongs to the nickel alloys classification, while S32050 stainless steel belongs to the iron alloys. They have 46% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is nickel 684 and the bottom bar is S32050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
220
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 11
46
Fatigue Strength, MPa 390
340
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 76
81
Shear Strength, MPa 710
540
Tensile Strength: Ultimate (UTS), MPa 1190
770
Tensile Strength: Yield (Proof), MPa 800
370

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Maximum Temperature: Mechanical, °C 1000
1100
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1320
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 75
31
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 10
6.0
Embodied Energy, MJ/kg 140
81
Embodied Water, L/kg 360
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
290
Resilience: Unit (Modulus of Resilience), kJ/m3 1610
330
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 40
27
Strength to Weight: Bending, points 30
23
Thermal Shock Resistance, points 34
17

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 to 0.030
Chromium (Cr), % 15 to 20
22 to 24
Cobalt (Co), % 13 to 20
0
Copper (Cu), % 0 to 0.15
0 to 0.4
Iron (Fe), % 0 to 4.0
43.1 to 51.8
Manganese (Mn), % 0 to 0.75
0 to 1.5
Molybdenum (Mo), % 3.0 to 5.0
6.0 to 6.6
Nickel (Ni), % 42.7 to 64
20 to 23
Nitrogen (N), % 0
0.21 to 0.32
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.020
Titanium (Ti), % 2.5 to 3.3
0