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Nickel 690 vs. EN 1.4659 Stainless Steel

Nickel 690 belongs to the nickel alloys classification, while EN 1.4659 stainless steel belongs to the iron alloys. They have 56% of their average alloy composition in common. 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 EN 1.4659 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
260
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 3.4 to 34
49
Fatigue Strength, MPa 180 to 300
460
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
81
Shear Strength, MPa 420 to 570
640
Tensile Strength: Ultimate (UTS), MPa 640 to 990
900
Tensile Strength: Yield (Proof), MPa 250 to 760
480

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Mechanical, °C 1010
1100
Melting Completion (Liquidus), °C 1380
1480
Melting Onset (Solidus), °C 1340
1430
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 14
12
Thermal Expansion, µm/m-K 14
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 50
37
Density, g/cm3 8.3
8.2
Embodied Carbon, kg CO2/kg material 8.2
6.5
Embodied Energy, MJ/kg 120
89
Embodied Water, L/kg 290
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
370
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
550
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 33
31
Strength to Weight: Bending, points 20 to 27
25
Thermal Diffusivity, mm2/s 3.5
3.2
Thermal Shock Resistance, points 16 to 25
19

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.020
Chromium (Cr), % 27 to 31
23 to 25
Copper (Cu), % 0 to 0.5
1.0 to 2.0
Iron (Fe), % 7.0 to 11
35.7 to 45.7
Manganese (Mn), % 0 to 0.5
2.0 to 4.0
Molybdenum (Mo), % 0
5.5 to 6.5
Nickel (Ni), % 58 to 66
21 to 23
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.010
Tungsten (W), % 0
1.5 to 2.5