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S40977 Stainless Steel vs. Nickel 242

S40977 stainless steel belongs to the iron alloys classification, while nickel 242 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 242.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 21
45
Fatigue Strength, MPa 200
300
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 76
84
Shear Strength, MPa 320
570
Tensile Strength: Ultimate (UTS), MPa 510
820
Tensile Strength: Yield (Proof), MPa 310
350

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Maximum Temperature: Mechanical, °C 720
930
Melting Completion (Liquidus), °C 1440
1380
Melting Onset (Solidus), °C 1400
1290
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 25
11
Thermal Expansion, µm/m-K 10
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
75
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 1.9
14
Embodied Energy, MJ/kg 27
180
Embodied Water, L/kg 97
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
300
Resilience: Unit (Modulus of Resilience), kJ/m3 250
280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 18
25
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 6.7
3.1
Thermal Shock Resistance, points 18
25

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 10.5 to 12.5
7.0 to 9.0
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 83.9 to 89.2
0 to 2.0
Manganese (Mn), % 0 to 1.5
0 to 0.8
Molybdenum (Mo), % 0
24 to 26
Nickel (Ni), % 0.3 to 1.0
59.3 to 69
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.015