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Nickel 689 vs. EN 1.4020 Stainless Steel

Nickel 689 belongs to the nickel alloys classification, while EN 1.4020 stainless steel belongs to the iron alloys. They have a modest 22% of their average alloy composition in common, which, by itself, doesn't mean much. There are 27 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is nickel 689 and the bottom bar is EN 1.4020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
13 to 34
Fatigue Strength, MPa 420
340 to 540
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 790
510 to 680
Tensile Strength: Ultimate (UTS), MPa 1250
770 to 1130
Tensile Strength: Yield (Proof), MPa 690
430 to 950

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 990
890
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1390
1350
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 70
11
Density, g/cm3 8.5
7.6
Embodied Carbon, kg CO2/kg material 11
2.5
Embodied Energy, MJ/kg 150
37
Embodied Water, L/kg 330
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
140 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 1170
460 to 2290
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 41
28 to 41
Strength to Weight: Bending, points 30
25 to 32
Thermal Shock Resistance, points 35
16 to 23

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 0.15
Chromium (Cr), % 18 to 20
16.5 to 19
Cobalt (Co), % 9.0 to 11
0
Iron (Fe), % 0 to 5.0
62.8 to 71.8
Manganese (Mn), % 0 to 0.5
11 to 14
Molybdenum (Mo), % 9.0 to 10.5
0
Nickel (Ni), % 48.3 to 60.9
0.5 to 2.5
Nitrogen (N), % 0
0.2 to 0.45
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 2.3 to 2.8
0