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EN 1.4568 Stainless Steel vs. Nickel 690

EN 1.4568 stainless steel belongs to the iron alloys classification, while nickel 690 belongs to the nickel alloys. They have a modest 34% of their average alloy composition in common, which, by itself, doesn't mean much. 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 EN 1.4568 stainless steel and the bottom bar is nickel 690.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 2.3 to 21
3.4 to 34
Fatigue Strength, MPa 220 to 670
180 to 300
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Shear Strength, MPa 520 to 930
420 to 570
Tensile Strength: Ultimate (UTS), MPa 830 to 1620
640 to 990
Tensile Strength: Yield (Proof), MPa 330 to 1490
250 to 760

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Mechanical, °C 890
1010
Melting Completion (Liquidus), °C 1420
1380
Melting Onset (Solidus), °C 1380
1340
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
50
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 2.8
8.2
Embodied Energy, MJ/kg 40
120
Embodied Water, L/kg 140
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36 to 140
31 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 5710
160 to 1440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30 to 58
21 to 33
Strength to Weight: Bending, points 25 to 40
20 to 27
Thermal Diffusivity, mm2/s 4.3
3.5
Thermal Shock Resistance, points 23 to 46
16 to 25

Alloy Composition

Aluminum (Al), % 0.7 to 1.5
0
Carbon (C), % 0 to 0.090
0 to 0.050
Chromium (Cr), % 16 to 18
27 to 31
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 70.9 to 76.8
7.0 to 11
Manganese (Mn), % 0 to 1.0
0 to 0.5
Nickel (Ni), % 6.5 to 7.8
58 to 66
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.7
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015