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SAE-AISI P21 Steel vs. Nickel 200

SAE-AISI P21 steel belongs to the iron alloys classification, while nickel 200 belongs to the nickel alloys. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI P21 steel and the bottom bar is nickel 200.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
180
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 73
70
Tensile Strength: Ultimate (UTS), MPa 1130
420 to 540

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1440
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 41
69
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
18
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
18

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
65
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 2.3
11
Embodied Energy, MJ/kg 32
150
Embodied Water, L/kg 62
230

Common Calculations

Stiffness to Weight: Axial, points 13
11
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 40
13 to 17
Strength to Weight: Bending, points 31
14 to 17
Thermal Diffusivity, mm2/s 11
17
Thermal Shock Resistance, points 37
13 to 16

Alloy Composition

Carbon (C), % 0.18 to 0.22
0 to 0.15
Chromium (Cr), % 0 to 0.5
0
Cobalt (Co), % 1.1 to 1.3
0
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 92.1 to 94.2
0 to 0.4
Manganese (Mn), % 0.35 to 0.72
0 to 0.35
Nickel (Ni), % 3.9 to 4.3
99 to 100
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.4
0 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 0.15 to 0.25
0