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Nickel 689 vs. EN 1.4470 Stainless Steel

Nickel 689 belongs to the nickel alloys classification, while EN 1.4470 stainless steel belongs to the iron alloys. They have a modest 31% 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 1.4470 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
680
Tensile Strength: Yield (Proof), MPa 690
480

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 990
1060
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1400
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
7.8
Embodied Carbon, kg CO2/kg material 11
3.6
Embodied Energy, MJ/kg 150
49
Embodied Water, L/kg 330
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
140
Resilience: Unit (Modulus of Resilience), kJ/m3 1170
570
Stiffness to Weight: Axial, points 14
14
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 0.030
Chromium (Cr), % 18 to 20
21 to 23
Cobalt (Co), % 9.0 to 11
0
Iron (Fe), % 0 to 5.0
63.7 to 71.9
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 9.0 to 10.5
2.5 to 3.5
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