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S31730 Stainless Steel vs. N07752 Nickel

S31730 stainless steel belongs to the iron alloys classification, while N07752 nickel belongs to the nickel alloys. They have a modest 40% 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 S31730 stainless steel and the bottom bar is N07752 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
22
Fatigue Strength, MPa 170
450
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 370
710
Tensile Strength: Ultimate (UTS), MPa 540
1120
Tensile Strength: Yield (Proof), MPa 200
740

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Mechanical, °C 990
960
Melting Completion (Liquidus), °C 1430
1380
Melting Onset (Solidus), °C 1390
1330
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
220
Resilience: Unit (Modulus of Resilience), kJ/m3 99
1450
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 19
37
Strength to Weight: Bending, points 18
29
Thermal Shock Resistance, points 12
34

Alloy Composition

Aluminum (Al), % 0
0.4 to 1.0
Boron (B), % 0
0 to 0.0070
Carbon (C), % 0 to 0.030
0.020 to 0.060
Chromium (Cr), % 17 to 19
14.5 to 17
Cobalt (Co), % 0
0 to 0.050
Copper (Cu), % 4.0 to 5.0
0 to 0.5
Iron (Fe), % 52.4 to 61
5.0 to 9.0
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 15 to 16.5
70 to 77.1
Niobium (Nb), % 0
0.7 to 1.2
Nitrogen (N), % 0 to 0.045
0
Phosphorus (P), % 0 to 0.040
0 to 0.0080
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.0030
Titanium (Ti), % 0
2.3 to 2.8
Vanadium (V), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.050