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Nickel 689 vs. AISI 317 Stainless Steel

Nickel 689 belongs to the nickel alloys classification, while AISI 317 stainless steel belongs to the iron alloys. They have a modest 39% 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 317 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
170 to 220
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
35 to 55
Fatigue Strength, MPa 420
250 to 330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
79
Shear Strength, MPa 790
420 to 470
Tensile Strength: Ultimate (UTS), MPa 1250
580 to 710
Tensile Strength: Yield (Proof), MPa 690
250 to 420

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 990
590
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 70
21
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 11
4.3
Embodied Energy, MJ/kg 150
59
Embodied Water, L/kg 330
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
210 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 1170
150 to 430
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 41
20 to 25
Strength to Weight: Bending, points 30
20 to 22
Thermal Shock Resistance, points 35
12 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 to 0.080
Chromium (Cr), % 18 to 20
18 to 20
Cobalt (Co), % 9.0 to 11
0
Iron (Fe), % 0 to 5.0
58 to 68
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 9.0 to 10.5
3.0 to 4.0
Nickel (Ni), % 48.3 to 60.9
11 to 15
Nitrogen (N), % 0
0 to 0.1
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