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EN 1.4646 Stainless Steel vs. N07750 Nickel

EN 1.4646 stainless steel belongs to the iron alloys classification, while N07750 nickel belongs to the nickel alloys. They have a modest 28% of their average alloy composition in common, which, by itself, doesn't mean much. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4646 stainless steel and the bottom bar is N07750 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
25
Fatigue Strength, MPa 340
520
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 500
770
Tensile Strength: Ultimate (UTS), MPa 750
1200
Tensile Strength: Yield (Proof), MPa 430
820

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Mechanical, °C 910
960
Melting Completion (Liquidus), °C 1390
1430
Melting Onset (Solidus), °C 1340
1400
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 13
60
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 2.8
10
Embodied Energy, MJ/kg 41
150
Embodied Water, L/kg 160
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
270
Resilience: Unit (Modulus of Resilience), kJ/m3 460
1770
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 27
40
Strength to Weight: Bending, points 24
30
Thermal Shock Resistance, points 16
36

Alloy Composition

Aluminum (Al), % 0
0.4 to 1.0
Carbon (C), % 0.020 to 0.1
0 to 0.080
Chromium (Cr), % 17 to 19
14 to 17
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 1.5 to 3.0
0 to 0.5
Iron (Fe), % 59 to 67.3
5.0 to 9.0
Manganese (Mn), % 10.5 to 12.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 3.5 to 4.5
70 to 77.7
Niobium (Nb), % 0
0.7 to 1.2
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
2.3 to 2.8