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EN 1.4568 Stainless Steel vs. Nickel 693

EN 1.4568 stainless steel belongs to the iron alloys classification, while nickel 693 belongs to the nickel alloys. They have a modest 30% 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 (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4568 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, % 2.3 to 21
34
Fatigue Strength, MPa 220 to 670
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 520 to 930
440
Tensile Strength: Ultimate (UTS), MPa 830 to 1620
660
Tensile Strength: Yield (Proof), MPa 330 to 1490
310

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Mechanical, °C 890
1010
Melting Completion (Liquidus), °C 1420
1350
Melting Onset (Solidus), °C 1380
1310
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
9.1
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 13
60
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 2.8
9.9
Embodied Energy, MJ/kg 40
140
Embodied Water, L/kg 140
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36 to 140
190
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 5710
250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30 to 58
23
Strength to Weight: Bending, points 25 to 40
21
Thermal Diffusivity, mm2/s 4.3
2.3
Thermal Shock Resistance, points 23 to 46
19

Alloy Composition

Aluminum (Al), % 0.7 to 1.5
2.5 to 4.0
Carbon (C), % 0 to 0.090
0 to 0.15
Chromium (Cr), % 16 to 18
27 to 31
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 70.9 to 76.8
2.5 to 6.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Nickel (Ni), % 6.5 to 7.8
53.3 to 67.5
Niobium (Nb), % 0
0.5 to 2.5
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.7
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
0 to 1.0