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Nickel 693 vs. EN 1.4303 Stainless Steel

Nickel 693 belongs to the nickel alloys classification, while EN 1.4303 stainless steel belongs to the iron alloys. They have a modest 35% 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 (6, in this case) are not shown.

For each property being compared, the top bar is nickel 693 and the bottom bar is EN 1.4303 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
13 to 49
Fatigue Strength, MPa 230
220 to 320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 440
420 to 540
Tensile Strength: Ultimate (UTS), MPa 660
590 to 900
Tensile Strength: Yield (Proof), MPa 310
230 to 560

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 1010
940
Melting Completion (Liquidus), °C 1350
1420
Melting Onset (Solidus), °C 1310
1380
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
17
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 9.9
3.2
Embodied Energy, MJ/kg 140
46
Embodied Water, L/kg 320
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
110 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 250
140 to 800
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
21 to 32
Strength to Weight: Bending, points 21
20 to 26
Thermal Diffusivity, mm2/s 2.3
4.0
Thermal Shock Resistance, points 19
13 to 20

Alloy Composition

Aluminum (Al), % 2.5 to 4.0
0
Carbon (C), % 0 to 0.15
0 to 0.060
Chromium (Cr), % 27 to 31
17 to 19
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 2.5 to 6.0
64.8 to 72
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 53.3 to 67.5
11 to 13
Niobium (Nb), % 0.5 to 2.5
0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0 to 1.0
0