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Nickel 693 vs. AISI 430 Stainless Steel

Nickel 693 belongs to the nickel alloys classification, while AISI 430 stainless steel belongs to the iron 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 (8, in this case) are not shown.

For each property being compared, the top bar is nickel 693 and the bottom bar is AISI 430 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
24
Fatigue Strength, MPa 230
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 440
320
Tensile Strength: Ultimate (UTS), MPa 660
500
Tensile Strength: Yield (Proof), MPa 310
260

Thermal Properties

Latent Heat of Fusion, J/g 330
280
Maximum Temperature: Mechanical, °C 1010
870
Melting Completion (Liquidus), °C 1350
1510
Melting Onset (Solidus), °C 1310
1430
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 9.1
25
Thermal Expansion, µm/m-K 13
10

Otherwise Unclassified Properties

Base Metal Price, % relative 60
8.5
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 9.9
2.1
Embodied Energy, MJ/kg 140
30
Embodied Water, L/kg 320
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
100
Resilience: Unit (Modulus of Resilience), kJ/m3 250
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
18
Strength to Weight: Bending, points 21
18
Thermal Diffusivity, mm2/s 2.3
6.7
Thermal Shock Resistance, points 19
18

Alloy Composition

Aluminum (Al), % 2.5 to 4.0
0
Carbon (C), % 0 to 0.15
0 to 0.12
Chromium (Cr), % 27 to 31
16 to 18
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 2.5 to 6.0
79.1 to 84
Manganese (Mn), % 0 to 1.0
0 to 1.0
Nickel (Ni), % 53.3 to 67.5
0 to 0.75
Niobium (Nb), % 0.5 to 2.5
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 1.0
0