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S21904 Stainless Steel vs. Grade M35-2 Nickel

S21904 stainless steel belongs to the iron alloys classification, while grade M35-2 nickel belongs to the nickel alloys. 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 M35-2 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
160
Elongation at Break, % 17 to 51
28
Fatigue Strength, MPa 380 to 550
160
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 78
62
Tensile Strength: Ultimate (UTS), MPa 700 to 1000
500
Tensile Strength: Yield (Proof), MPa 390 to 910
230

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Mechanical, °C 980
900
Melting Completion (Liquidus), °C 1400
1280
Melting Onset (Solidus), °C 1350
1230
Specific Heat Capacity, J/kg-K 480
430
Thermal Conductivity, W/m-K 14
22
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 15
55
Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 3.0
8.1
Embodied Energy, MJ/kg 43
110
Embodied Water, L/kg 160
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160 to 310
120
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 2070
170
Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 25 to 36
16
Strength to Weight: Bending, points 23 to 29
16
Thermal Diffusivity, mm2/s 3.8
5.7
Thermal Shock Resistance, points 15 to 21
17

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.35
Chromium (Cr), % 19 to 21.5
0
Copper (Cu), % 0
26 to 33
Iron (Fe), % 59.5 to 67.4
0 to 3.5
Manganese (Mn), % 8.0 to 10
0 to 1.5
Nickel (Ni), % 5.5 to 7.5
59.1 to 74
Niobium (Nb), % 0
0 to 0.5
Nitrogen (N), % 0.15 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030