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EN 1.4369 Stainless Steel vs. SAE-AISI P5 Steel

Both EN 1.4369 stainless steel and SAE-AISI P5 steel are iron alloys. They have 70% of their average alloy composition in common. There are 24 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 EN 1.4369 stainless steel and the bottom bar is SAE-AISI P5 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 77
73
Tensile Strength: Ultimate (UTS), MPa 850
370 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
45
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 14
2.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.5
Embodied Energy, MJ/kg 43
20
Embodied Water, L/kg 150
56

Common Calculations

PREN (Pitting Resistance) 23
2.3
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31
13 to 70
Strength to Weight: Bending, points 26
15 to 45
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 18
12 to 65

Alloy Composition

Carbon (C), % 0.070 to 0.15
0 to 0.1
Chromium (Cr), % 17.5 to 19.5
2.0 to 2.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 63 to 70.2
95.7 to 97.8
Manganese (Mn), % 5.0 to 7.5
0.2 to 0.6
Nickel (Ni), % 6.5 to 8.5
0 to 0.35
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.5 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.030