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Nickel 601 vs. SAE-AISI P21 Steel

Nickel 601 belongs to the nickel alloys classification, while SAE-AISI P21 steel belongs to the iron alloys. There are 23 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 nickel 601 and the bottom bar is SAE-AISI P21 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 660 to 890
1130

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 11
41
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 49
6.5
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 8.0
2.3
Embodied Energy, MJ/kg 110
32
Embodied Water, L/kg 280
62

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 22 to 30
40
Strength to Weight: Bending, points 20 to 25
31
Thermal Diffusivity, mm2/s 2.8
11
Thermal Shock Resistance, points 17 to 23
37

Alloy Composition

Aluminum (Al), % 1.0 to 1.7
0
Carbon (C), % 0 to 0.1
0.18 to 0.22
Chromium (Cr), % 21 to 25
0 to 0.5
Cobalt (Co), % 0
1.1 to 1.3
Copper (Cu), % 0 to 1.0
0 to 0.25
Iron (Fe), % 7.7 to 20
92.1 to 94.2
Manganese (Mn), % 0 to 1.0
0.35 to 0.72
Nickel (Ni), % 58 to 63
3.9 to 4.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.5
0.2 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0
0.15 to 0.25