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Nickel 689 vs. EN 1.3975 Stainless Steel

Nickel 689 belongs to the nickel alloys classification, while EN 1.3975 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 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is nickel 689 and the bottom bar is EN 1.3975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
190
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 23
27
Fatigue Strength, MPa 420
230
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 1250
660
Tensile Strength: Yield (Proof), MPa 690
320

Thermal Properties

Latent Heat of Fusion, J/g 330
340
Maximum Temperature: Mechanical, °C 990
910
Melting Completion (Liquidus), °C 1440
1360
Melting Onset (Solidus), °C 1390
1320
Specific Heat Capacity, J/kg-K 450
500
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 70
15
Density, g/cm3 8.5
7.5
Embodied Carbon, kg CO2/kg material 11
3.3
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 330
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
150
Resilience: Unit (Modulus of Resilience), kJ/m3 1170
270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
26
Strength to Weight: Axial, points 41
24
Strength to Weight: Bending, points 30
22
Thermal Shock Resistance, points 35
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 to 0.050
Chromium (Cr), % 18 to 20
16 to 18
Cobalt (Co), % 9.0 to 11
0
Iron (Fe), % 0 to 5.0
58.2 to 65.4
Manganese (Mn), % 0 to 0.5
7.0 to 9.0
Molybdenum (Mo), % 9.0 to 10.5
0 to 1.0
Nickel (Ni), % 48.3 to 60.9
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0 to 0.5
3.5 to 4.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 2.3 to 2.8
0