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Nickel 693 vs. EN 1.4988 Stainless Steel

Nickel 693 belongs to the nickel alloys classification, while EN 1.4988 stainless steel belongs to the iron alloys. They have a modest 36% 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 nickel 693 and the bottom bar is EN 1.4988 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
34
Fatigue Strength, MPa 230
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 440
430
Tensile Strength: Ultimate (UTS), MPa 660
640
Tensile Strength: Yield (Proof), MPa 310
290

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 1010
920
Melting Completion (Liquidus), °C 1350
1450
Melting Onset (Solidus), °C 1310
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 9.1
15
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 60
23
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 9.9
6.0
Embodied Energy, MJ/kg 140
89
Embodied Water, L/kg 320
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
180
Resilience: Unit (Modulus of Resilience), kJ/m3 250
210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
23
Strength to Weight: Bending, points 21
21
Thermal Diffusivity, mm2/s 2.3
4.0
Thermal Shock Resistance, points 19
14

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
15.5 to 17.5
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 2.5 to 6.0
62.1 to 69.5
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
1.1 to 1.5
Nickel (Ni), % 53.3 to 67.5
12.5 to 14.5
Niobium (Nb), % 0.5 to 2.5
0.4 to 1.2
Nitrogen (N), % 0
0.060 to 0.14
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.5
0.3 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0 to 1.0
0
Vanadium (V), % 0
0.6 to 0.85