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Nickel 617 vs. AISI 420 Stainless Steel

Nickel 617 belongs to the nickel alloys classification, while AISI 420 stainless steel belongs to the iron alloys. There are 30 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 617 and the bottom bar is AISI 420 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 40
8.0 to 15
Fatigue Strength, MPa 220
220 to 670
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
76
Shear Strength, MPa 510
420 to 1010
Tensile Strength: Ultimate (UTS), MPa 740
690 to 1720
Tensile Strength: Yield (Proof), MPa 280
380 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 1010
620
Melting Completion (Liquidus), °C 1380
1510
Melting Onset (Solidus), °C 1330
1450
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
27
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 75
7.5
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 10
2.0
Embodied Energy, MJ/kg 140
28
Embodied Water, L/kg 350
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
88 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 190
380 to 4410
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 24
25 to 62
Strength to Weight: Bending, points 21
22 to 41
Thermal Diffusivity, mm2/s 3.5
7.3
Thermal Shock Resistance, points 21
25 to 62

Alloy Composition

Aluminum (Al), % 0.8 to 1.5
0
Boron (B), % 0 to 0.0060
0
Carbon (C), % 0.050 to 0.15
0.15 to 0.4
Chromium (Cr), % 20 to 24
12 to 14
Cobalt (Co), % 10 to 15
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 3.0
82.3 to 87.9
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 8.0 to 10
0 to 0.5
Nickel (Ni), % 44.5 to 62
0 to 0.75
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030