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AISI 440A Stainless Steel vs. Grade CZ100 Nickel

AISI 440A stainless steel belongs to the iron alloys classification, while grade CZ100 nickel belongs to the nickel alloys. There are 28 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 AISI 440A stainless steel and the bottom bar is grade CZ100 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Elongation at Break, % 5.0 to 20
11
Fatigue Strength, MPa 270 to 790
68
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
69
Tensile Strength: Ultimate (UTS), MPa 730 to 1790
390
Tensile Strength: Yield (Proof), MPa 420 to 1650
140

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Mechanical, °C 760
900
Melting Completion (Liquidus), °C 1480
1350
Melting Onset (Solidus), °C 1370
1300
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 23
73
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
19
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
19

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
60
Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 2.2
10
Embodied Energy, MJ/kg 31
140
Embodied Water, L/kg 120
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 120
35
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 26 to 65
12
Strength to Weight: Bending, points 23 to 43
14
Thermal Diffusivity, mm2/s 6.2
19
Thermal Shock Resistance, points 26 to 65
14

Alloy Composition

Carbon (C), % 0.6 to 0.75
0 to 1.0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
0 to 1.3
Iron (Fe), % 78.4 to 83.4
0 to 3.0
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 0
95 to 100
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.030