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EN 1.4971 Stainless Steel vs. Nickel 825

EN 1.4971 stainless steel belongs to the iron alloys classification, while nickel 825 belongs to the nickel alloys. They have 75% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 nickel 825.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
34
Fatigue Strength, MPa 270
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
78
Shear Strength, MPa 530
430
Tensile Strength: Ultimate (UTS), MPa 800
650
Tensile Strength: Yield (Proof), MPa 340
260

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Mechanical, °C 1100
980
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 450
460
Thermal Conductivity, W/m-K 13
11
Thermal Expansion, µm/m-K 15
14

Otherwise Unclassified Properties

Base Metal Price, % relative 70
41
Density, g/cm3 8.4
8.2
Embodied Carbon, kg CO2/kg material 7.6
7.2
Embodied Energy, MJ/kg 110
100
Embodied Water, L/kg 300
230

Common Calculations

PREN (Pitting Resistance) 38
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
180
Resilience: Unit (Modulus of Resilience), kJ/m3 280
170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
22
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 3.4
2.9
Thermal Shock Resistance, points 19
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Carbon (C), % 0.080 to 0.16
0 to 0.050
Chromium (Cr), % 20 to 22.5
19.5 to 23.5
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 24.3 to 37.1
22 to 37.9
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
2.5 to 3.5
Nickel (Ni), % 19 to 21
38 to 46
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0 to 0.050
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0.6 to 1.2
Tungsten (W), % 2.0 to 3.0
0