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EN 1.4568 Stainless Steel vs. Nickel 689

EN 1.4568 stainless steel belongs to the iron alloys classification, while nickel 689 belongs to the nickel alloys. They have a modest 28% of their average alloy composition in common, which, by itself, doesn't mean much. There are 26 material properties with values for both materials. Properties with values for just one material (8, 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 689.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 2.3 to 21
23
Fatigue Strength, MPa 220 to 670
420
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
80
Shear Strength, MPa 520 to 930
790
Tensile Strength: Ultimate (UTS), MPa 830 to 1620
1250
Tensile Strength: Yield (Proof), MPa 330 to 1490
690

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Mechanical, °C 890
990
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
450
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 13
70
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 2.8
11
Embodied Energy, MJ/kg 40
150
Embodied Water, L/kg 140
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36 to 140
240
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 5710
1170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 30 to 58
41
Strength to Weight: Bending, points 25 to 40
30
Thermal Shock Resistance, points 23 to 46
35

Alloy Composition

Aluminum (Al), % 0.7 to 1.5
0.75 to 1.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.090
0.1 to 0.2
Chromium (Cr), % 16 to 18
18 to 20
Cobalt (Co), % 0
9.0 to 11
Iron (Fe), % 70.9 to 76.8
0 to 5.0
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 0
9.0 to 10.5
Nickel (Ni), % 6.5 to 7.8
48.3 to 60.9
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 0.7
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
2.3 to 2.8