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Nickel 689 vs. EN 1.4581 Stainless Steel

Nickel 689 belongs to the nickel alloys classification, while EN 1.4581 stainless steel belongs to the iron alloys. They have a modest 35% 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 (9, in this case) are not shown.

For each property being compared, the top bar is nickel 689 and the bottom bar is EN 1.4581 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
150
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
28
Fatigue Strength, MPa 420
150
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 1250
510
Tensile Strength: Yield (Proof), MPa 690
210

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 990
990
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 70
21
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 11
4.2
Embodied Energy, MJ/kg 150
59
Embodied Water, L/kg 330
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1170
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 41
18
Strength to Weight: Bending, points 30
18
Thermal Shock Resistance, points 35
12

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 0.070
Chromium (Cr), % 18 to 20
18 to 20
Cobalt (Co), % 9.0 to 11
0
Iron (Fe), % 0 to 5.0
61.4 to 71
Manganese (Mn), % 0 to 0.5
0 to 1.5
Molybdenum (Mo), % 9.0 to 10.5
2.0 to 2.5
Nickel (Ni), % 48.3 to 60.9
9.0 to 12
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 2.3 to 2.8
0