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Nickel 689 vs. EN 1.4941 Stainless Steel

Nickel 689 belongs to the nickel alloys classification, while EN 1.4941 stainless steel belongs to the iron alloys. They have a modest 32% 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 (8, in this case) are not shown.

For each property being compared, the top bar is nickel 689 and the bottom bar is EN 1.4941 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
180
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
39
Fatigue Strength, MPa 420
180
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 790
400
Tensile Strength: Ultimate (UTS), MPa 1250
590
Tensile Strength: Yield (Proof), MPa 690
210

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 990
940
Melting Completion (Liquidus), °C 1440
1430
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
16
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 11
3.3
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 330
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
180
Resilience: Unit (Modulus of Resilience), kJ/m3 1170
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 41
21
Strength to Weight: Bending, points 30
20
Thermal Shock Resistance, points 35
13

Alloy Composition

Aluminum (Al), % 0.75 to 1.3
0
Boron (B), % 0.0030 to 0.010
0.0015 to 0.0050
Carbon (C), % 0.1 to 0.2
0.040 to 0.080
Chromium (Cr), % 18 to 20
17 to 19
Cobalt (Co), % 9.0 to 11
0
Iron (Fe), % 0 to 5.0
65.1 to 73.6
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 9.0 to 10.5
0
Nickel (Ni), % 48.3 to 60.9
9.0 to 12
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 0.015
Titanium (Ti), % 2.3 to 2.8
0.4 to 0.8