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Nickel 693 vs. AISI 309H Stainless Steel

Nickel 693 belongs to the nickel alloys classification, while AISI 309H stainless steel belongs to the iron alloys. They have 42% of their average alloy composition in common. 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 nickel 693 and the bottom bar is AISI 309H stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
40
Fatigue Strength, MPa 230
200
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
78
Shear Strength, MPa 440
400
Tensile Strength: Ultimate (UTS), MPa 660
580
Tensile Strength: Yield (Proof), MPa 310
230

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 1010
1080
Melting Completion (Liquidus), °C 1350
1420
Melting Onset (Solidus), °C 1310
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 9.1
15
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 60
19
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 9.9
3.6
Embodied Energy, MJ/kg 140
51
Embodied Water, L/kg 320
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
190
Resilience: Unit (Modulus of Resilience), kJ/m3 250
130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
21
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 2.3
4.0
Thermal Shock Resistance, points 19
13

Alloy Composition

Aluminum (Al), % 2.5 to 4.0
0
Carbon (C), % 0 to 0.15
0.040 to 0.1
Chromium (Cr), % 27 to 31
22 to 24
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 2.5 to 6.0
58.1 to 66
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 53.3 to 67.5
12 to 15
Niobium (Nb), % 0.5 to 2.5
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 1.0
0