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Nickel 690 vs. EN 1.4558 Stainless Steel

Nickel 690 belongs to the nickel alloys classification, while EN 1.4558 stainless steel belongs to the iron alloys. They have 65% of their average alloy composition in common. There are 30 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 1.4558 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 3.4 to 34
39
Fatigue Strength, MPa 180 to 300
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 420 to 570
350
Tensile Strength: Ultimate (UTS), MPa 640 to 990
510
Tensile Strength: Yield (Proof), MPa 250 to 760
200

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Mechanical, °C 1010
1100
Melting Completion (Liquidus), °C 1380
1400
Melting Onset (Solidus), °C 1340
1350
Specific Heat Capacity, J/kg-K 470
480
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
31
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 8.2
5.5
Embodied Energy, MJ/kg 120
77
Embodied Water, L/kg 290
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
160
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 33
18
Strength to Weight: Bending, points 20 to 27
18
Thermal Diffusivity, mm2/s 3.5
3.1
Thermal Shock Resistance, points 16 to 25
12

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.45
Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 27 to 31
20 to 23
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 7.0 to 11
39.2 to 47.9
Manganese (Mn), % 0 to 0.5
0 to 1.0
Nickel (Ni), % 58 to 66
32 to 35
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0 to 0.6