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EN 1.4958 Stainless Steel vs. Nickel 22

EN 1.4958 stainless steel belongs to the iron alloys classification, while nickel 22 belongs to the nickel alloys. They have 56% of their average alloy composition in common. There are 30 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 1.4958 stainless steel and the bottom bar is nickel 22.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 40
49
Fatigue Strength, MPa 170
330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
84
Shear Strength, MPa 430
560
Tensile Strength: Ultimate (UTS), MPa 630
790
Tensile Strength: Yield (Proof), MPa 190
360

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Mechanical, °C 1090
990
Melting Completion (Liquidus), °C 1400
1390
Melting Onset (Solidus), °C 1350
1360
Specific Heat Capacity, J/kg-K 480
430
Thermal Conductivity, W/m-K 12
10
Thermal Expansion, µm/m-K 15
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 30
70
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 5.3
12
Embodied Energy, MJ/kg 75
170
Embodied Water, L/kg 200
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
320
Resilience: Unit (Modulus of Resilience), kJ/m3 95
300
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 22
25
Strength to Weight: Bending, points 20
21
Thermal Diffusivity, mm2/s 3.2
2.7
Thermal Shock Resistance, points 15
24

Alloy Composition

Aluminum (Al), % 0.2 to 0.5
0
Carbon (C), % 0.030 to 0.080
0 to 0.015
Chromium (Cr), % 19 to 22
20 to 22.5
Cobalt (Co), % 0 to 0.5
0 to 2.5
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 41.1 to 50.6
2.0 to 6.0
Manganese (Mn), % 0 to 1.5
0 to 0.015
Molybdenum (Mo), % 0
12.5 to 14.5
Nickel (Ni), % 30 to 32.5
50.8 to 63
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.015
0 to 0.020
Silicon (Si), % 0 to 0.7
0 to 0.080
Sulfur (S), % 0 to 0.010
0 to 0.020
Titanium (Ti), % 0.2 to 0.5
0
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0
0 to 0.35