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SAE-AISI P5 Steel vs. EN 1.4807 Stainless Steel

Both SAE-AISI P5 steel and EN 1.4807 stainless steel are iron alloys. They have 45% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI P5 steel and the bottom bar is EN 1.4807 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 370 to 1980
480

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
12
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
39
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.5
6.8
Embodied Energy, MJ/kg 20
97
Embodied Water, L/kg 56
190

Common Calculations

PREN (Pitting Resistance) 2.3
19
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 13 to 70
17
Strength to Weight: Bending, points 15 to 45
17
Thermal Diffusivity, mm2/s 12
3.2
Thermal Shock Resistance, points 12 to 65
12

Alloy Composition

Carbon (C), % 0 to 0.1
0.3 to 0.5
Chromium (Cr), % 2.0 to 2.5
17 to 20
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 95.7 to 97.8
36.6 to 46.7
Manganese (Mn), % 0.2 to 0.6
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.35
34 to 36
Niobium (Nb), % 0
1.0 to 1.8
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.4
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030