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EN 1.4821 Stainless Steel vs. Nickel 693

EN 1.4821 stainless steel belongs to the iron alloys classification, while nickel 693 belongs to the nickel alloys. They have a modest 35% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 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 1.4821 stainless steel and the bottom bar is nickel 693.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 18
34
Fatigue Strength, MPa 280
230
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
76
Shear Strength, MPa 450
440
Tensile Strength: Ultimate (UTS), MPa 730
660
Tensile Strength: Yield (Proof), MPa 450
310

Thermal Properties

Latent Heat of Fusion, J/g 310
330
Maximum Temperature: Mechanical, °C 1100
1010
Melting Completion (Liquidus), °C 1410
1350
Melting Onset (Solidus), °C 1370
1310
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 17
9.1
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
60
Density, g/cm3 7.6
8.1
Embodied Carbon, kg CO2/kg material 2.9
9.9
Embodied Energy, MJ/kg 41
140
Embodied Water, L/kg 160
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
190
Resilience: Unit (Modulus of Resilience), kJ/m3 500
250
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 26
23
Strength to Weight: Bending, points 23
21
Thermal Diffusivity, mm2/s 4.6
2.3
Thermal Shock Resistance, points 21
19

Alloy Composition

Aluminum (Al), % 0
2.5 to 4.0
Carbon (C), % 0.1 to 0.2
0 to 0.15
Chromium (Cr), % 24.5 to 26.5
27 to 31
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 64.2 to 71.1
2.5 to 6.0
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 3.5 to 5.5
53.3 to 67.5
Niobium (Nb), % 0
0.5 to 2.5
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0.8 to 1.5
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
0 to 1.0