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Nickel 689 vs. EN 1.4655 Stainless Steel

Nickel 689 belongs to the nickel alloys classification, while EN 1.4655 stainless steel belongs to the iron alloys. They have a modest 27% 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 nickel 689 and the bottom bar is EN 1.4655 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
23 to 25
Fatigue Strength, MPa 420
320
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 80
78
Shear Strength, MPa 790
460
Tensile Strength: Ultimate (UTS), MPa 1250
720 to 730
Tensile Strength: Yield (Proof), MPa 690
450 to 480

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 990
1050
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
15
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 11
2.9
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 330
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
150 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 1170
510 to 580
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 41
26
Strength to Weight: Bending, points 30
23
Thermal Shock Resistance, points 35
20

Alloy Composition

Aluminum (Al), % 0.75 to 1.3
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.1 to 0.2
0 to 0.030
Chromium (Cr), % 18 to 20
22 to 24
Cobalt (Co), % 9.0 to 11
0
Copper (Cu), % 0
1.0 to 3.0
Iron (Fe), % 0 to 5.0
63.6 to 73.4
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 9.0 to 10.5
0.1 to 0.6
Nickel (Ni), % 48.3 to 60.9
3.5 to 5.5
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 2.3 to 2.8
0