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EN 1.4606 Stainless Steel vs. SAE-AISI P20 Steel

Both EN 1.4606 stainless steel and SAE-AISI P20 steel are iron alloys. They have 57% 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 EN 1.4606 stainless steel and the bottom bar is SAE-AISI P20 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 75
73
Tensile Strength: Ultimate (UTS), MPa 600 to 1020
540 to 1050

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
45
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 26
2.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 6.0
1.6
Embodied Energy, MJ/kg 87
21
Embodied Water, L/kg 170
52

Common Calculations

PREN (Pitting Resistance) 19
2.6
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 36
19 to 37
Strength to Weight: Bending, points 20 to 28
19 to 29
Thermal Diffusivity, mm2/s 3.7
12
Thermal Shock Resistance, points 21 to 35
18 to 35

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Boron (B), % 0.0010 to 0.010
0
Carbon (C), % 0 to 0.080
0.28 to 0.4
Chromium (Cr), % 13 to 16
0.4 to 2.0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 49.2 to 59
95.2 to 98.5
Manganese (Mn), % 1.0 to 2.0
0.35 to 0.71
Molybdenum (Mo), % 1.0 to 1.5
0.3 to 0.55
Nickel (Ni), % 24 to 27
0
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 1.0
0.2 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 1.9 to 2.3
0
Vanadium (V), % 0.1 to 0.5
0