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Nickel 22 vs. EN 1.4525 Stainless Steel

Nickel 22 belongs to the nickel alloys classification, while EN 1.4525 stainless steel belongs to the iron alloys. They have a modest 25% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is nickel 22 and the bottom bar is EN 1.4525 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 49
5.6 to 13
Fatigue Strength, MPa 330
480 to 540
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 84
76
Tensile Strength: Ultimate (UTS), MPa 790
1030 to 1250
Tensile Strength: Yield (Proof), MPa 360
840 to 1120

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Mechanical, °C 990
860
Melting Completion (Liquidus), °C 1390
1430
Melting Onset (Solidus), °C 1360
1390
Specific Heat Capacity, J/kg-K 430
480
Thermal Conductivity, W/m-K 10
18
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 70
13
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 12
2.8
Embodied Energy, MJ/kg 170
39
Embodied Water, L/kg 300
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
68 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 300
1820 to 3230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 25
36 to 45
Strength to Weight: Bending, points 21
29 to 33
Thermal Diffusivity, mm2/s 2.7
4.7
Thermal Shock Resistance, points 24
34 to 41

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.070
Chromium (Cr), % 20 to 22.5
15 to 17
Cobalt (Co), % 0 to 2.5
0
Copper (Cu), % 0
2.5 to 4.0
Iron (Fe), % 2.0 to 6.0
70.4 to 79
Manganese (Mn), % 0 to 0.015
0 to 1.0
Molybdenum (Mo), % 12.5 to 14.5
0 to 0.8
Nickel (Ni), % 50.8 to 63
3.5 to 5.5
Niobium (Nb), % 0
0 to 0.35
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.080
0 to 0.8
Sulfur (S), % 0 to 0.020
0 to 0.025
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0 to 0.35
0