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EN 1.7221 Steel vs. Grade M35-2 Nickel

EN 1.7221 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 (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.7221 steel and the bottom bar is grade M35-2 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
160
Elongation at Break, % 11 to 17
28
Fatigue Strength, MPa 290 to 390
160
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
62
Tensile Strength: Ultimate (UTS), MPa 650 to 780
500
Tensile Strength: Yield (Proof), MPa 430 to 630
230

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 420
900
Melting Completion (Liquidus), °C 1460
1280
Melting Onset (Solidus), °C 1420
1230
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 44
22
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
55
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 1.5
8.1
Embodied Energy, MJ/kg 20
110
Embodied Water, L/kg 51
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 98
120
Resilience: Unit (Modulus of Resilience), kJ/m3 490 to 1050
170
Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 23 to 27
16
Strength to Weight: Bending, points 21 to 24
16
Thermal Diffusivity, mm2/s 12
5.7
Thermal Shock Resistance, points 19 to 23
17

Alloy Composition

Carbon (C), % 0.22 to 0.29
0 to 0.35
Chromium (Cr), % 0.8 to 1.2
0
Copper (Cu), % 0
26 to 33
Iron (Fe), % 96.8 to 98.3
0 to 3.5
Manganese (Mn), % 0.5 to 0.8
0 to 1.5
Molybdenum (Mo), % 0.15 to 0.3
0
Nickel (Ni), % 0
59.1 to 74
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.6
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030