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S20910 Stainless Steel vs. Grade CX2MW Nickel

S20910 stainless steel belongs to the iron alloys classification, while grade CX2MW nickel belongs to the nickel alloys. They have 41% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S20910 stainless steel and the bottom bar is grade CX2MW nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 14 to 39
34
Fatigue Strength, MPa 310 to 460
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
84
Tensile Strength: Ultimate (UTS), MPa 780 to 940
620
Tensile Strength: Yield (Proof), MPa 430 to 810
350

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Mechanical, °C 1080
980
Melting Completion (Liquidus), °C 1420
1550
Melting Onset (Solidus), °C 1380
1490
Specific Heat Capacity, J/kg-K 480
430
Thermal Conductivity, W/m-K 13
10
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 22
65
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 4.8
12
Embodied Energy, MJ/kg 68
170
Embodied Water, L/kg 180
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
180
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
290
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 28 to 33
19
Strength to Weight: Bending, points 24 to 27
18
Thermal Diffusivity, mm2/s 3.6
2.7
Thermal Shock Resistance, points 17 to 21
17

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.020
Chromium (Cr), % 20.5 to 23.5
20 to 22.5
Iron (Fe), % 52.1 to 62.1
2.0 to 6.0
Manganese (Mn), % 4.0 to 6.0
0 to 1.0
Molybdenum (Mo), % 1.5 to 3.0
12.5 to 14.5
Nickel (Ni), % 11.5 to 13.5
51.3 to 63
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0.1 to 0.3
0 to 0.35