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EN 1.4659 Stainless Steel vs. SAE-AISI P6 Steel

Both EN 1.4659 stainless steel and SAE-AISI P6 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 (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.4659 stainless steel and the bottom bar is SAE-AISI P6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 900
630 to 1930

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
43
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 37
4.6
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 6.5
1.8
Embodied Energy, MJ/kg 89
24
Embodied Water, L/kg 220
59

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 31
22 to 68
Strength to Weight: Bending, points 25
21 to 44
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 19
21 to 63

Alloy Composition

Carbon (C), % 0 to 0.020
0.050 to 0.15
Chromium (Cr), % 23 to 25
1.3 to 1.8
Copper (Cu), % 1.0 to 2.0
0 to 0.25
Iron (Fe), % 35.7 to 45.7
92.9 to 95
Manganese (Mn), % 2.0 to 4.0
0.35 to 0.7
Molybdenum (Mo), % 5.5 to 6.5
0
Nickel (Ni), % 21 to 23
3.3 to 3.8
Nitrogen (N), % 0.35 to 0.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.7
0.1 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 1.5 to 2.5
0