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Nickel 689 vs. EN 1.4474 Stainless Steel

Nickel 689 belongs to the nickel alloys classification, while EN 1.4474 stainless steel belongs to the iron alloys. They have a modest 29% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is nickel 689 and the bottom bar is EN 1.4474 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
23
Fatigue Strength, MPa 420
320
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 1250
670
Tensile Strength: Yield (Proof), MPa 690
480

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 990
1100
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
17
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 11
3.4
Embodied Energy, MJ/kg 150
48
Embodied Water, L/kg 330
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
140
Resilience: Unit (Modulus of Resilience), kJ/m3 1170
560
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 41
24
Strength to Weight: Bending, points 30
22
Thermal Shock Resistance, points 35
18

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 0.050
Chromium (Cr), % 18 to 20
25 to 27
Cobalt (Co), % 9.0 to 11
0
Iron (Fe), % 0 to 5.0
61.2 to 69.1
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 9.0 to 10.5
1.3 to 2.0
Nickel (Ni), % 48.3 to 60.9
4.5 to 6.5
Nitrogen (N), % 0
0.12 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 0.025
Titanium (Ti), % 2.3 to 2.8
0