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EN 1.4971 Stainless Steel vs. EN 2.4669 Nickel

EN 1.4971 stainless steel belongs to the iron alloys classification, while EN 2.4669 nickel belongs to the nickel alloys. They have 45% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4971 stainless steel and the bottom bar is EN 2.4669 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
16
Fatigue Strength, MPa 270
390
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 530
680
Tensile Strength: Ultimate (UTS), MPa 800
1110
Tensile Strength: Yield (Proof), MPa 340
720

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Mechanical, °C 1100
960
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1410
1330
Specific Heat Capacity, J/kg-K 450
460
Thermal Conductivity, W/m-K 13
12
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
60
Density, g/cm3 8.4
8.4
Embodied Carbon, kg CO2/kg material 7.6
10
Embodied Energy, MJ/kg 110
150
Embodied Water, L/kg 300
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
160
Resilience: Unit (Modulus of Resilience), kJ/m3 280
1380
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 26
37
Strength to Weight: Bending, points 23
28
Thermal Diffusivity, mm2/s 3.4
3.1
Thermal Shock Resistance, points 19
33

Alloy Composition

Aluminum (Al), % 0
0.4 to 1.0
Carbon (C), % 0.080 to 0.16
0 to 0.080
Chromium (Cr), % 20 to 22.5
14 to 17
Cobalt (Co), % 18.5 to 21
0 to 1.0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 24.3 to 37.1
5.0 to 9.0
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
65.9 to 77.7
Niobium (Nb), % 0.75 to 1.3
0.7 to 1.2
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
2.3 to 2.8
Tungsten (W), % 2.0 to 3.0
0