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EN 1.3975 Stainless Steel vs. Nickel 22

EN 1.3975 stainless steel belongs to the iron alloys classification, while nickel 22 belongs to the nickel alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.3975 stainless steel and the bottom bar is nickel 22.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 27
49
Fatigue Strength, MPa 230
330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
84
Tensile Strength: Ultimate (UTS), MPa 660
790
Tensile Strength: Yield (Proof), MPa 320
360

Thermal Properties

Latent Heat of Fusion, J/g 340
320
Maximum Temperature: Mechanical, °C 910
990
Melting Completion (Liquidus), °C 1360
1390
Melting Onset (Solidus), °C 1320
1360
Specific Heat Capacity, J/kg-K 500
430
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 15
70
Density, g/cm3 7.5
8.9
Embodied Carbon, kg CO2/kg material 3.3
12
Embodied Energy, MJ/kg 47
170
Embodied Water, L/kg 150
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
320
Resilience: Unit (Modulus of Resilience), kJ/m3 270
300
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
22
Strength to Weight: Axial, points 24
25
Strength to Weight: Bending, points 22
21
Thermal Shock Resistance, points 15
24

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.015
Chromium (Cr), % 16 to 18
20 to 22.5
Cobalt (Co), % 0
0 to 2.5
Iron (Fe), % 58.2 to 65.4
2.0 to 6.0
Manganese (Mn), % 7.0 to 9.0
0 to 0.015
Molybdenum (Mo), % 0 to 1.0
12.5 to 14.5
Nickel (Ni), % 8.0 to 9.0
50.8 to 63
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 3.5 to 4.5
0 to 0.080
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0
0 to 0.35