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EN 1.7221 Steel vs. N07716 Nickel

EN 1.7221 steel belongs to the iron alloys classification, while N07716 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 EN 1.7221 steel and the bottom bar is N07716 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 17
34
Fatigue Strength, MPa 290 to 390
690
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 650 to 780
860
Tensile Strength: Yield (Proof), MPa 430 to 630
350

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 420
980
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 44
11
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
75
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 1.5
13
Embodied Energy, MJ/kg 20
190
Embodied Water, L/kg 51
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 98
240
Resilience: Unit (Modulus of Resilience), kJ/m3 490 to 1050
300
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 23 to 27
28
Strength to Weight: Bending, points 21 to 24
24
Thermal Diffusivity, mm2/s 12
2.8
Thermal Shock Resistance, points 19 to 23
24

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Carbon (C), % 0.22 to 0.29
0 to 0.030
Chromium (Cr), % 0.8 to 1.2
19 to 22
Iron (Fe), % 96.8 to 98.3
0 to 11.3
Manganese (Mn), % 0.5 to 0.8
0 to 0.2
Molybdenum (Mo), % 0.15 to 0.3
7.0 to 9.5
Nickel (Ni), % 0
59 to 63
Niobium (Nb), % 0
2.8 to 4.0
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0 to 0.6
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.6