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S40977 Stainless Steel vs. Nickel 617

S40977 stainless steel belongs to the iron alloys classification, while nickel 617 belongs to the nickel 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 S40977 stainless steel and the bottom bar is nickel 617.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 21
40
Fatigue Strength, MPa 200
220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
80
Shear Strength, MPa 320
510
Tensile Strength: Ultimate (UTS), MPa 510
740
Tensile Strength: Yield (Proof), MPa 310
280

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Maximum Temperature: Mechanical, °C 720
1010
Melting Completion (Liquidus), °C 1440
1380
Melting Onset (Solidus), °C 1400
1330
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 25
13
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
75
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 1.9
10
Embodied Energy, MJ/kg 27
140
Embodied Water, L/kg 97
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
230
Resilience: Unit (Modulus of Resilience), kJ/m3 250
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 18
24
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 6.7
3.5
Thermal Shock Resistance, points 18
21

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0 to 0.030
0.050 to 0.15
Chromium (Cr), % 10.5 to 12.5
20 to 24
Cobalt (Co), % 0
10 to 15
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 83.9 to 89.2
0 to 3.0
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0.3 to 1.0
44.5 to 62
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015