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AISI 446 Stainless Steel vs. Nickel 30

AISI 446 stainless steel belongs to the iron alloys classification, while nickel 30 belongs to the nickel alloys. They have 41% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 446 stainless steel and the bottom bar is nickel 30.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 23
34
Fatigue Strength, MPa 200
200
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
82
Shear Strength, MPa 360
440
Tensile Strength: Ultimate (UTS), MPa 570
660
Tensile Strength: Yield (Proof), MPa 300
270

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 1180
1020
Melting Completion (Liquidus), °C 1510
1480
Melting Onset (Solidus), °C 1430
1430
Specific Heat Capacity, J/kg-K 490
450
Thermal Conductivity, W/m-K 17
10
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 12
60
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 2.4
9.4
Embodied Energy, MJ/kg 35
130
Embodied Water, L/kg 150
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
180
Resilience: Unit (Modulus of Resilience), kJ/m3 230
180
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
23
Strength to Weight: Axial, points 21
22
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 4.6
2.7
Thermal Shock Resistance, points 19
18

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.030
Chromium (Cr), % 23 to 27
28 to 31.5
Cobalt (Co), % 0
0 to 5.0
Copper (Cu), % 0
1.0 to 2.4
Iron (Fe), % 69.2 to 77
13 to 17
Manganese (Mn), % 0 to 1.5
0 to 0.030
Molybdenum (Mo), % 0
4.0 to 6.0
Nickel (Ni), % 0 to 0.75
30.2 to 52.2
Niobium (Nb), % 0
0.3 to 1.5
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 0
1.5 to 4.0