MakeItFrom.com
Menu (ESC)

S21904 Stainless Steel vs. Grade CX2MW Nickel

S21904 stainless steel belongs to the iron alloys classification, while grade CX2MW nickel belongs to the nickel alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 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 S21904 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, % 17 to 51
34
Fatigue Strength, MPa 380 to 550
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
84
Tensile Strength: Ultimate (UTS), MPa 700 to 1000
620
Tensile Strength: Yield (Proof), MPa 390 to 910
350

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Mechanical, °C 980
980
Melting Completion (Liquidus), °C 1400
1550
Melting Onset (Solidus), °C 1350
1490
Specific Heat Capacity, J/kg-K 480
430
Thermal Conductivity, W/m-K 14
10
Thermal Expansion, µm/m-K 17
12

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 15
65
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 3.0
12
Embodied Energy, MJ/kg 43
170
Embodied Water, L/kg 160
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160 to 310
180
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 2070
290
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25 to 36
19
Strength to Weight: Bending, points 23 to 29
18
Thermal Diffusivity, mm2/s 3.8
2.7
Thermal Shock Resistance, points 15 to 21
17

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.020
Chromium (Cr), % 19 to 21.5
20 to 22.5
Iron (Fe), % 59.5 to 67.4
2.0 to 6.0
Manganese (Mn), % 8.0 to 10
0 to 1.0
Molybdenum (Mo), % 0
12.5 to 14.5
Nickel (Ni), % 5.5 to 7.5
51.3 to 63
Nitrogen (N), % 0.15 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
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
0 to 0.35