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Nickel 690 vs. EN 1.4150 Stainless Steel

Nickel 690 belongs to the nickel alloys classification, while EN 1.4150 stainless steel belongs to the iron alloys. They have a modest 25% 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 (2, in this case) are not shown.

For each property being compared, the top bar is nickel 690 and the bottom bar is EN 1.4150 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 3.4 to 34
20
Fatigue Strength, MPa 180 to 300
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Shear Strength, MPa 420 to 570
460
Tensile Strength: Ultimate (UTS), MPa 640 to 990
730
Tensile Strength: Yield (Proof), MPa 250 to 760
430

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Mechanical, °C 1010
840
Melting Completion (Liquidus), °C 1380
1420
Melting Onset (Solidus), °C 1340
1380
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 14
23
Thermal Expansion, µm/m-K 14
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 50
8.5
Density, g/cm3 8.3
7.6
Embodied Carbon, kg CO2/kg material 8.2
2.8
Embodied Energy, MJ/kg 120
42
Embodied Water, L/kg 290
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
120
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
470
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 33
27
Strength to Weight: Bending, points 20 to 27
24
Thermal Diffusivity, mm2/s 3.5
6.2
Thermal Shock Resistance, points 16 to 25
27

Alloy Composition

Carbon (C), % 0 to 0.050
0.45 to 0.6
Chromium (Cr), % 27 to 31
15 to 16.5
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 7.0 to 11
79 to 82.8
Manganese (Mn), % 0 to 0.5
0 to 0.8
Molybdenum (Mo), % 0
0.2 to 0.4
Nickel (Ni), % 58 to 66
0 to 0.4
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.5
1.3 to 1.7
Sulfur (S), % 0 to 0.015
0 to 0.010
Vanadium (V), % 0
0.2 to 0.4