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S15500 Stainless Steel vs. Nickel 242

S15500 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 (6, in this case) are not shown.

For each property being compared, the top bar is S15500 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, % 6.8 to 16
45
Fatigue Strength, MPa 350 to 650
300
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 75
84
Shear Strength, MPa 540 to 870
570
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
820
Tensile Strength: Yield (Proof), MPa 590 to 1310
350

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Mechanical, °C 820
930
Melting Completion (Liquidus), °C 1430
1380
Melting Onset (Solidus), °C 1380
1290
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 17
11
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 13
75
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 2.7
14
Embodied Energy, MJ/kg 39
180
Embodied Water, L/kg 130
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
300
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 32 to 53
25
Strength to Weight: Bending, points 26 to 37
21
Thermal Diffusivity, mm2/s 4.6
3.1
Thermal Shock Resistance, points 30 to 50
25

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 14 to 15.5
7.0 to 9.0
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 2.5 to 4.5
0 to 0.5
Iron (Fe), % 71.9 to 79.9
0 to 2.0
Manganese (Mn), % 0 to 1.0
0 to 0.8
Molybdenum (Mo), % 0
24 to 26
Nickel (Ni), % 3.5 to 5.5
59.3 to 69
Niobium (Nb), % 0.15 to 0.45
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 0.030
0 to 0.015