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EN 1.4938 Stainless Steel vs. N07716 Nickel

EN 1.4938 stainless steel belongs to the iron alloys classification, while N07716 nickel belongs to the nickel alloys. They have a modest 22% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4938 stainless steel and the bottom bar is N07716 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 16 to 17
34
Fatigue Strength, MPa 390 to 520
690
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
78
Shear Strength, MPa 540 to 630
580
Tensile Strength: Ultimate (UTS), MPa 870 to 1030
860
Tensile Strength: Yield (Proof), MPa 640 to 870
350

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 750
980
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 30
11
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
75
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 3.3
13
Embodied Energy, MJ/kg 47
190
Embodied Water, L/kg 110
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
240
Resilience: Unit (Modulus of Resilience), kJ/m3 1050 to 1920
300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 31 to 37
28
Strength to Weight: Bending, points 26 to 29
24
Thermal Diffusivity, mm2/s 8.1
2.8
Thermal Shock Resistance, points 30 to 35
24

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Carbon (C), % 0.080 to 0.15
0 to 0.030
Chromium (Cr), % 11 to 12.5
19 to 22
Iron (Fe), % 80.5 to 84.8
0 to 11.3
Manganese (Mn), % 0.4 to 0.9
0 to 0.2
Molybdenum (Mo), % 1.5 to 2.0
7.0 to 9.5
Nickel (Ni), % 2.0 to 3.0
59 to 63
Niobium (Nb), % 0
2.8 to 4.0
Nitrogen (N), % 0.020 to 0.040
0
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0 to 0.5
0 to 0.2
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.6
Vanadium (V), % 0.25 to 0.4
0