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EN 1.4958 Stainless Steel vs. EN 2.4669 Nickel

EN 1.4958 stainless steel belongs to the iron alloys classification, while EN 2.4669 nickel 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 (4, 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 EN 2.4669 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
16
Fatigue Strength, MPa 170
390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 430
680
Tensile Strength: Ultimate (UTS), MPa 630
1110
Tensile Strength: Yield (Proof), MPa 190
720

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Mechanical, °C 1090
960
Melting Completion (Liquidus), °C 1400
1380
Melting Onset (Solidus), °C 1350
1330
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 12
12
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 30
60
Density, g/cm3 8.0
8.4
Embodied Carbon, kg CO2/kg material 5.3
10
Embodied Energy, MJ/kg 75
150
Embodied Water, L/kg 200
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
160
Resilience: Unit (Modulus of Resilience), kJ/m3 95
1380
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 22
37
Strength to Weight: Bending, points 20
28
Thermal Diffusivity, mm2/s 3.2
3.1
Thermal Shock Resistance, points 15
33

Alloy Composition

Aluminum (Al), % 0.2 to 0.5
0.4 to 1.0
Carbon (C), % 0.030 to 0.080
0 to 0.080
Chromium (Cr), % 19 to 22
14 to 17
Cobalt (Co), % 0 to 0.5
0 to 1.0
Copper (Cu), % 0 to 0.5
0 to 0.5
Iron (Fe), % 41.1 to 50.6
5.0 to 9.0
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 30 to 32.5
65.9 to 77.7
Niobium (Nb), % 0 to 0.1
0.7 to 1.2
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 0.5
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0.2 to 0.5
2.3 to 2.8