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AISI 430 Stainless Steel vs. Nickel 333

AISI 430 stainless steel belongs to the iron alloys classification, while nickel 333 belongs to the nickel alloys. They have a modest 35% 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 (5, in this case) are not shown.

For each property being compared, the top bar is AISI 430 stainless steel and the bottom bar is nickel 333.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 24
34
Fatigue Strength, MPa 180
200
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 77
85
Shear Modulus, GPa 77
81
Shear Strength, MPa 320
420
Tensile Strength: Ultimate (UTS), MPa 500
630
Tensile Strength: Yield (Proof), MPa 260
270

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Mechanical, °C 870
1010
Melting Completion (Liquidus), °C 1510
1460
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 25
11
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
55
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 2.1
8.5
Embodied Energy, MJ/kg 30
120
Embodied Water, L/kg 120
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
170
Resilience: Unit (Modulus of Resilience), kJ/m3 170
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 18
21
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 6.7
2.9
Thermal Shock Resistance, points 18
16

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.1
Chromium (Cr), % 16 to 18
24 to 27
Cobalt (Co), % 0
2.5 to 4.0
Iron (Fe), % 79.1 to 84
9.3 to 24.5
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
2.5 to 4.0
Nickel (Ni), % 0 to 0.75
44 to 48
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
2.5 to 4.0