MakeItFrom.com
Menu (ESC)

Nickel 684 vs. S31254 Stainless Steel

Nickel 684 belongs to the nickel alloys classification, while S31254 stainless steel belongs to the iron alloys. They have 42% of their average alloy composition in common. There are 28 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 S31254 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
40
Fatigue Strength, MPa 390
290
Poisson's Ratio 0.29
0.28
Reduction in Area, % 17
56
Shear Modulus, GPa 76
80
Shear Strength, MPa 710
490
Tensile Strength: Ultimate (UTS), MPa 1190
720
Tensile Strength: Yield (Proof), MPa 800
330

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Mechanical, °C 1000
1090
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1320
1420
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 75
28
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 10
5.5
Embodied Energy, MJ/kg 140
74
Embodied Water, L/kg 360
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
240
Resilience: Unit (Modulus of Resilience), kJ/m3 1610
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 40
25
Strength to Weight: Bending, points 30
22
Thermal Shock Resistance, points 34
15

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 0.020
Chromium (Cr), % 15 to 20
19.5 to 20.5
Cobalt (Co), % 13 to 20
0
Copper (Cu), % 0 to 0.15
0.5 to 1.0
Iron (Fe), % 0 to 4.0
51.4 to 56.3
Manganese (Mn), % 0 to 0.75
0 to 1.0
Molybdenum (Mo), % 3.0 to 5.0
6.0 to 6.5
Nickel (Ni), % 42.7 to 64
17.5 to 18.5
Nitrogen (N), % 0
0.18 to 0.22
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 2.5 to 3.3
0