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S21904 Stainless Steel vs. EN 2.4665 Nickel

S21904 stainless steel belongs to the iron alloys classification, while EN 2.4665 nickel belongs to the nickel alloys. They have 46% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S21904 stainless steel and the bottom bar is EN 2.4665 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 17 to 51
34
Fatigue Strength, MPa 380 to 550
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
81
Shear Strength, MPa 510 to 620
520
Tensile Strength: Ultimate (UTS), MPa 700 to 1000
790
Tensile Strength: Yield (Proof), MPa 390 to 910
300

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 980
990
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1410
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 14
12
Thermal Expansion, µm/m-K 17
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 15
55
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 3.0
9.2
Embodied Energy, MJ/kg 43
130
Embodied Water, L/kg 160
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160 to 310
210
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 2070
220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25 to 36
26
Strength to Weight: Bending, points 23 to 29
22
Thermal Diffusivity, mm2/s 3.8
3.2
Thermal Shock Resistance, points 15 to 21
20

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Boron (B), % 0
0 to 0.010
Carbon (C), % 0 to 0.040
0.050 to 0.15
Chromium (Cr), % 19 to 21.5
20.5 to 23
Cobalt (Co), % 0
0.5 to 2.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 59.5 to 67.4
17 to 20
Manganese (Mn), % 8.0 to 10
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 5.5 to 7.5
40.3 to 53.8
Nitrogen (N), % 0.15 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0
0.2 to 1.0