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Grade M35-2 Nickel vs. S21904 Stainless Steel

Grade M35-2 nickel belongs to the nickel alloys classification, while S21904 stainless steel belongs to the iron 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 grade M35-2 nickel and the bottom bar is S21904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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