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Nickel 690 vs. EN 1.4864 Stainless Steel

Nickel 690 belongs to the nickel alloys classification, while EN 1.4864 stainless steel belongs to the iron alloys. They have 61% of their average alloy composition in common. 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 1.4864 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 3.4 to 34
33
Fatigue Strength, MPa 180 to 300
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
75
Shear Strength, MPa 420 to 570
430
Tensile Strength: Ultimate (UTS), MPa 640 to 990
650
Tensile Strength: Yield (Proof), MPa 250 to 760
260

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Maximum Temperature: Mechanical, °C 1010
1100
Melting Completion (Liquidus), °C 1380
1390
Melting Onset (Solidus), °C 1340
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
13
Thermal Expansion, µm/m-K 14
14

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
30
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 8.2
5.3
Embodied Energy, MJ/kg 120
75
Embodied Water, L/kg 290
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
170
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
170
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 33
23
Strength to Weight: Bending, points 20 to 27
21
Thermal Diffusivity, mm2/s 3.5
3.3
Thermal Shock Resistance, points 16 to 25
17

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.15
Chromium (Cr), % 27 to 31
15 to 17
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 7.0 to 11
41.7 to 51
Manganese (Mn), % 0 to 0.5
0 to 2.0
Nickel (Ni), % 58 to 66
33 to 37
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.5
1.0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.015