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Nickel 30 vs. S40930 Stainless Steel

Nickel 30 belongs to the nickel alloys classification, while S40930 stainless steel belongs to the iron alloys. They have a modest 27% 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 (4, in this case) are not shown.

For each property being compared, the top bar is nickel 30 and the bottom bar is S40930 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
23
Fatigue Strength, MPa 200
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 82
75
Shear Strength, MPa 440
270
Tensile Strength: Ultimate (UTS), MPa 660
430
Tensile Strength: Yield (Proof), MPa 270
190

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Maximum Temperature: Mechanical, °C 1020
710
Melting Completion (Liquidus), °C 1480
1450
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 10
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 60
8.5
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 9.4
2.3
Embodied Energy, MJ/kg 130
32
Embodied Water, L/kg 290
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
80
Resilience: Unit (Modulus of Resilience), kJ/m3 180
94
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 22
16
Strength to Weight: Bending, points 20
16
Thermal Diffusivity, mm2/s 2.7
6.7
Thermal Shock Resistance, points 18
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 28 to 31.5
10.5 to 11.7
Cobalt (Co), % 0 to 5.0
0
Copper (Cu), % 1.0 to 2.4
0
Iron (Fe), % 13 to 17
84.7 to 89.4
Manganese (Mn), % 0 to 0.030
0 to 1.0
Molybdenum (Mo), % 4.0 to 6.0
0
Nickel (Ni), % 30.2 to 52.2
0 to 0.5
Niobium (Nb), % 0.3 to 1.5
0.080 to 0.75
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.020
Titanium (Ti), % 0
0.050 to 0.2
Tungsten (W), % 1.5 to 4.0
0