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AISI 348H Stainless Steel vs. N07716 Nickel

AISI 348H stainless steel belongs to the iron alloys classification, while N07716 nickel belongs to the nickel alloys. They have a modest 36% of their average alloy composition in common, which, by itself, doesn't mean much. There are 31 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 AISI 348H 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, % 40
34
Fatigue Strength, MPa 200
690
Poisson's Ratio 0.28
0.29
Reduction in Area, % 51
46
Shear Modulus, GPa 77
78
Shear Strength, MPa 400
580
Tensile Strength: Ultimate (UTS), MPa 580
860
Tensile Strength: Yield (Proof), MPa 230
350

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 940
980
Melting Completion (Liquidus), °C 1430
1480
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 15
11
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 20
75
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 3.9
13
Embodied Energy, MJ/kg 56
190
Embodied Water, L/kg 150
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
240
Resilience: Unit (Modulus of Resilience), kJ/m3 140
300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 21
28
Strength to Weight: Bending, points 20
24
Thermal Diffusivity, mm2/s 4.1
2.8
Thermal Shock Resistance, points 13
24

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Carbon (C), % 0.040 to 0.1
0 to 0.030
Chromium (Cr), % 17 to 19
19 to 22
Cobalt (Co), % 0 to 0.2
0
Iron (Fe), % 63.8 to 73.6
0 to 11.3
Manganese (Mn), % 0 to 2.0
0 to 0.2
Molybdenum (Mo), % 0
7.0 to 9.5
Nickel (Ni), % 9.0 to 13
59 to 63
Niobium (Nb), % 0.32 to 1.0
2.8 to 4.0
Phosphorus (P), % 0 to 0.045
0 to 0.015
Silicon (Si), % 0 to 0.75
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.010
Tantalum (Ta), % 0 to 0.1
0
Titanium (Ti), % 0
1.0 to 1.6