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SAE-AISI P2 Steel vs. EN 1.4859 Stainless Steel

Both SAE-AISI P2 steel and EN 1.4859 stainless steel are iron alloys. They have 47% of their average alloy composition in common. 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 SAE-AISI P2 steel and the bottom bar is EN 1.4859 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 330 to 1980
490

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 46
13
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.7
36
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.5
6.2
Embodied Energy, MJ/kg 20
88
Embodied Water, L/kg 51
190

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 12 to 70
17
Strength to Weight: Bending, points 14 to 45
17
Thermal Diffusivity, mm2/s 12
3.4
Thermal Shock Resistance, points 11 to 65
11

Alloy Composition

Carbon (C), % 0 to 0.1
0.050 to 0.15
Chromium (Cr), % 0.75 to 1.3
19 to 21
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 96.6 to 98.8
40.3 to 49
Manganese (Mn), % 0.1 to 0.4
0 to 2.0
Molybdenum (Mo), % 0.15 to 0.4
0 to 0.5
Nickel (Ni), % 0.1 to 0.5
31 to 33
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.1 to 0.4
0.5 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030