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Nickel 690 vs. S44535 Stainless Steel

Nickel 690 belongs to the nickel alloys classification, while S44535 stainless steel belongs to the iron alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is nickel 690 and the bottom bar is S44535 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 3.4 to 34
28
Fatigue Strength, MPa 180 to 300
210
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 79
78
Shear Strength, MPa 420 to 570
290
Tensile Strength: Ultimate (UTS), MPa 640 to 990
450
Tensile Strength: Yield (Proof), MPa 250 to 760
290

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Mechanical, °C 1010
1000
Melting Completion (Liquidus), °C 1380
1430
Melting Onset (Solidus), °C 1340
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
21
Thermal Expansion, µm/m-K 14
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 50
11
Density, g/cm3 8.3
7.7
Embodied Carbon, kg CO2/kg material 8.2
2.4
Embodied Energy, MJ/kg 120
34
Embodied Water, L/kg 290
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
110
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
200
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 33
16
Strength to Weight: Bending, points 20 to 27
17
Thermal Diffusivity, mm2/s 3.5
5.6
Thermal Shock Resistance, points 16 to 25
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 27 to 31
20 to 24
Copper (Cu), % 0 to 0.5
0 to 0.5
Iron (Fe), % 7.0 to 11
73.2 to 79.6
Lanthanum (La), % 0
0.040 to 0.2
Manganese (Mn), % 0 to 0.5
0.3 to 0.8
Nickel (Ni), % 58 to 66
0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.020
Titanium (Ti), % 0
0.030 to 0.2