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EN 1.4424 Stainless Steel vs. Nickel 693

EN 1.4424 stainless steel belongs to the iron alloys classification, while nickel 693 belongs to the nickel alloys. They have a modest 28% 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 (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4424 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, % 28
34
Fatigue Strength, MPa 350 to 370
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 520
440
Tensile Strength: Ultimate (UTS), MPa 800
660
Tensile Strength: Yield (Proof), MPa 480 to 500
310

Thermal Properties

Latent Heat of Fusion, J/g 310
330
Maximum Temperature: Mechanical, °C 960
1010
Melting Completion (Liquidus), °C 1430
1350
Melting Onset (Solidus), °C 1390
1310
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
9.1
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
60
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 3.4
9.9
Embodied Energy, MJ/kg 46
140
Embodied Water, L/kg 140
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 200
190
Resilience: Unit (Modulus of Resilience), kJ/m3 580 to 640
250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
23
Strength to Weight: Bending, points 25
21
Thermal Diffusivity, mm2/s 3.5
2.3
Thermal Shock Resistance, points 23
19

Alloy Composition

Aluminum (Al), % 0
2.5 to 4.0
Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 18 to 19
27 to 31
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 68.6 to 72.4
2.5 to 6.0
Manganese (Mn), % 1.2 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 4.5 to 5.2
53.3 to 67.5
Niobium (Nb), % 0
0.5 to 2.5
Nitrogen (N), % 0.050 to 0.1
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 1.4 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
0 to 1.0