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EN 1.4821 Stainless Steel vs. Nickel 825

EN 1.4821 stainless steel belongs to the iron alloys classification, while nickel 825 belongs to the nickel alloys. They have 57% of their average alloy composition in common. There are 31 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 EN 1.4821 stainless steel and the bottom bar is nickel 825.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 18
34
Fatigue Strength, MPa 280
190
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
78
Shear Strength, MPa 450
430
Tensile Strength: Ultimate (UTS), MPa 730
650
Tensile Strength: Yield (Proof), MPa 450
260

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Mechanical, °C 1100
980
Melting Completion (Liquidus), °C 1410
1400
Melting Onset (Solidus), °C 1370
1370
Specific Heat Capacity, J/kg-K 490
460
Thermal Conductivity, W/m-K 17
11
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
1.7

Otherwise Unclassified Properties

Base Metal Price, % relative 15
41
Density, g/cm3 7.6
8.2
Embodied Carbon, kg CO2/kg material 2.9
7.2
Embodied Energy, MJ/kg 41
100
Embodied Water, L/kg 160
230

Common Calculations

PREN (Pitting Resistance) 26
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
180
Resilience: Unit (Modulus of Resilience), kJ/m3 500
170
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 26
22
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 4.6
2.9
Thermal Shock Resistance, points 21
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Carbon (C), % 0.1 to 0.2
0 to 0.050
Chromium (Cr), % 24.5 to 26.5
19.5 to 23.5
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 64.2 to 71.1
22 to 37.9
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 3.5 to 5.5
38 to 46
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0.8 to 1.5
0 to 0.050
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0.6 to 1.2