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Nickel 617 vs. AISI 440B Stainless Steel

Nickel 617 belongs to the nickel alloys classification, while AISI 440B stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is nickel 617 and the bottom bar is AISI 440B stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 40
3.0 to 18
Fatigue Strength, MPa 220
260 to 850
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 510
460 to 1110
Tensile Strength: Ultimate (UTS), MPa 740
740 to 1930
Tensile Strength: Yield (Proof), MPa 280
430 to 1860

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 1010
870
Melting Completion (Liquidus), °C 1380
1480
Melting Onset (Solidus), °C 1330
1370
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
23
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 75
9.0
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 10
2.2
Embodied Energy, MJ/kg 140
31
Embodied Water, L/kg 350
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
57 to 110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 24
27 to 70
Strength to Weight: Bending, points 21
24 to 45
Thermal Diffusivity, mm2/s 3.5
6.1
Thermal Shock Resistance, points 21
27 to 70

Alloy Composition

Aluminum (Al), % 0.8 to 1.5
0
Boron (B), % 0 to 0.0060
0
Carbon (C), % 0.050 to 0.15
0.75 to 1.0
Chromium (Cr), % 20 to 24
16 to 18
Cobalt (Co), % 10 to 15
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 3.0
78.2 to 83.3
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 8.0 to 10
0 to 0.75
Nickel (Ni), % 44.5 to 62
0
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 0.015