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Nickel 689 vs. EN 1.4640 Stainless Steel

Nickel 689 belongs to the nickel alloys classification, while EN 1.4640 stainless steel belongs to the iron alloys. They have a modest 28% 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 (7, in this case) are not shown.

For each property being compared, the top bar is nickel 689 and the bottom bar is EN 1.4640 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
190 to 200
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
51
Fatigue Strength, MPa 420
230 to 250
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 790
440 to 460
Tensile Strength: Ultimate (UTS), MPa 1250
620 to 650
Tensile Strength: Yield (Proof), MPa 690
240 to 260

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 990
930
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 70
14
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 11
2.8
Embodied Energy, MJ/kg 150
40
Embodied Water, L/kg 330
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
250 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 1170
150 to 170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 41
22 to 23
Strength to Weight: Bending, points 30
21
Thermal Shock Resistance, points 35
14 to 15

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
0.030 to 0.080
Chromium (Cr), % 18 to 20
18 to 19
Cobalt (Co), % 9.0 to 11
0
Copper (Cu), % 0
1.3 to 2.0
Iron (Fe), % 0 to 5.0
67.4 to 73.6
Manganese (Mn), % 0 to 0.5
1.5 to 4.0
Molybdenum (Mo), % 9.0 to 10.5
0
Nickel (Ni), % 48.3 to 60.9
5.5 to 6.9
Nitrogen (N), % 0
0.030 to 0.11
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 2.3 to 2.8
0