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Nickel 689 vs. AISI 304LN Stainless Steel

Nickel 689 belongs to the nickel alloys classification, while AISI 304LN 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 (7, in this case) are not shown.

For each property being compared, the top bar is nickel 689 and the bottom bar is AISI 304LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
190 to 350
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
7.8 to 46
Fatigue Strength, MPa 420
200 to 440
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 790
400 to 680
Tensile Strength: Ultimate (UTS), MPa 1250
580 to 1160
Tensile Strength: Yield (Proof), MPa 690
230 to 870

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 990
960
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
16
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 11
3.1
Embodied Energy, MJ/kg 150
44
Embodied Water, L/kg 330
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
83 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 1170
140 to 1900
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 41
21 to 41
Strength to Weight: Bending, points 30
20 to 31
Thermal Shock Resistance, points 35
13 to 26

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
18 to 20
Cobalt (Co), % 9.0 to 11
0
Iron (Fe), % 0 to 5.0
65 to 73.9
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
8.0 to 12
Nitrogen (N), % 0
0.1 to 0.16
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 2.3 to 2.8
0