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AISI 415 Stainless Steel vs. Nickel 693

AISI 415 stainless steel belongs to the iron alloys classification, while nickel 693 belongs to the nickel alloys. They have a modest 22% 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 (7, in this case) are not shown.

For each property being compared, the top bar is AISI 415 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, % 17
34
Fatigue Strength, MPa 430
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 550
440
Tensile Strength: Ultimate (UTS), MPa 900
660
Tensile Strength: Yield (Proof), MPa 700
310

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Maximum Temperature: Mechanical, °C 780
1010
Melting Completion (Liquidus), °C 1450
1350
Melting Onset (Solidus), °C 1400
1310
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 24
9.1
Thermal Expansion, µm/m-K 10
13

Otherwise Unclassified Properties

Base Metal Price, % relative 11
60
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.5
9.9
Embodied Energy, MJ/kg 35
140
Embodied Water, L/kg 110
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
190
Resilience: Unit (Modulus of Resilience), kJ/m3 1250
250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
23
Strength to Weight: Bending, points 26
21
Thermal Diffusivity, mm2/s 6.4
2.3
Thermal Shock Resistance, points 33
19

Alloy Composition

Aluminum (Al), % 0
2.5 to 4.0
Carbon (C), % 0 to 0.050
0 to 0.15
Chromium (Cr), % 11.5 to 14
27 to 31
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 77.8 to 84
2.5 to 6.0
Manganese (Mn), % 0.5 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.5 to 1.0
0
Nickel (Ni), % 3.5 to 5.5
53.3 to 67.5
Niobium (Nb), % 0
0.5 to 2.5
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 1.0