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SAE-AISI P5 Steel vs. Grade M30H Nickel

SAE-AISI P5 steel belongs to the iron alloys classification, while grade M30H nickel belongs to the nickel alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI P5 steel and the bottom bar is grade M30H nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
160
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
61
Tensile Strength: Ultimate (UTS), MPa 370 to 1980
770

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Melting Completion (Liquidus), °C 1460
1250
Melting Onset (Solidus), °C 1420
1200
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 45
22
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
50
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 1.5
7.7
Embodied Energy, MJ/kg 20
110
Embodied Water, L/kg 56
250

Common Calculations

Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 13 to 70
25
Strength to Weight: Bending, points 15 to 45
22
Thermal Diffusivity, mm2/s 12
5.7
Thermal Shock Resistance, points 12 to 65
27

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.3
Chromium (Cr), % 2.0 to 2.5
0
Copper (Cu), % 0 to 0.25
27 to 33
Iron (Fe), % 95.7 to 97.8
0 to 3.5
Manganese (Mn), % 0.2 to 0.6
0 to 1.5
Nickel (Ni), % 0 to 0.35
57.9 to 70.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.4
2.7 to 3.7
Sulfur (S), % 0 to 0.030
0 to 0.030