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Nickel 689 vs. EN 1.4658 Stainless Steel

Nickel 689 belongs to the nickel alloys classification, while EN 1.4658 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 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is nickel 689 and the bottom bar is EN 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
260
Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 23
28
Fatigue Strength, MPa 420
530
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 80
81
Shear Strength, MPa 790
580
Tensile Strength: Ultimate (UTS), MPa 1250
900
Tensile Strength: Yield (Proof), MPa 690
730

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 990
1100
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
25
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 11
4.5
Embodied Energy, MJ/kg 150
61
Embodied Water, L/kg 330
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
240
Resilience: Unit (Modulus of Resilience), kJ/m3 1170
1280
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 41
32
Strength to Weight: Bending, points 30
26
Thermal Shock Resistance, points 35
24

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
26 to 29
Cobalt (Co), % 9.0 to 11
0.5 to 2.0
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 0 to 5.0
50.9 to 63.7
Manganese (Mn), % 0 to 0.5
0 to 1.5
Molybdenum (Mo), % 9.0 to 10.5
4.0 to 5.0
Nickel (Ni), % 48.3 to 60.9
5.5 to 9.5
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 2.3 to 2.8
0