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EN 1.4945 Stainless Steel vs. Nickel 693

EN 1.4945 stainless steel belongs to the iron alloys classification, while nickel 693 belongs to the nickel alloys. They have a modest 39% 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 EN 1.4945 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, % 19 to 34
34
Fatigue Strength, MPa 230 to 350
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 430 to 460
440
Tensile Strength: Ultimate (UTS), MPa 640 to 740
660
Tensile Strength: Yield (Proof), MPa 290 to 550
310

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Mechanical, °C 920
1010
Melting Completion (Liquidus), °C 1490
1350
Melting Onset (Solidus), °C 1440
1310
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
9.1
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 30
60
Density, g/cm3 8.1
8.1
Embodied Carbon, kg CO2/kg material 5.0
9.9
Embodied Energy, MJ/kg 73
140
Embodied Water, L/kg 150
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
190
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 760
250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 25
23
Strength to Weight: Bending, points 20 to 22
21
Thermal Diffusivity, mm2/s 3.7
2.3
Thermal Shock Resistance, points 14 to 16
19

Alloy Composition

Aluminum (Al), % 0
2.5 to 4.0
Carbon (C), % 0.040 to 0.1
0 to 0.15
Chromium (Cr), % 15.5 to 17.5
27 to 31
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 57.9 to 65.7
2.5 to 6.0
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 15.5 to 17.5
53.3 to 67.5
Niobium (Nb), % 0.4 to 1.2
0.5 to 2.5
Nitrogen (N), % 0.060 to 0.14
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.3 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
0 to 1.0
Tungsten (W), % 2.5 to 3.5
0