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N07750 Nickel vs. S31730 Stainless Steel

N07750 nickel belongs to the nickel alloys classification, while S31730 stainless steel belongs to the iron alloys. They have a modest 39% 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 N07750 nickel and the bottom bar is S31730 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
40
Fatigue Strength, MPa 520
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 770
370
Tensile Strength: Ultimate (UTS), MPa 1200
540
Tensile Strength: Yield (Proof), MPa 820
200

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Mechanical, °C 960
990
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 60
24
Density, g/cm3 8.4
8.0
Embodied Carbon, kg CO2/kg material 10
4.6
Embodied Energy, MJ/kg 150
63
Embodied Water, L/kg 260
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
170
Resilience: Unit (Modulus of Resilience), kJ/m3 1770
99
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 40
19
Strength to Weight: Bending, points 30
18
Thermal Shock Resistance, points 36
12

Alloy Composition

Aluminum (Al), % 0.4 to 1.0
0
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 14 to 17
17 to 19
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0 to 0.5
4.0 to 5.0
Iron (Fe), % 5.0 to 9.0
52.4 to 61
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 70 to 77.7
15 to 16.5
Niobium (Nb), % 0.7 to 1.2
0
Nitrogen (N), % 0
0 to 0.045
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 2.3 to 2.8
0