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EN 1.6563 Steel vs. S20431 Stainless Steel

Both EN 1.6563 steel and S20431 stainless steel are iron alloys. They have 74% 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 1.6563 steel and the bottom bar is S20431 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 620 to 1850
710

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 420
890
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 3.6
12
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.7
2.5
Embodied Energy, MJ/kg 22
36
Embodied Water, L/kg 54
140

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 65
25
Strength to Weight: Bending, points 21 to 43
23
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 18 to 54
15

Alloy Composition

Carbon (C), % 0.38 to 0.44
0 to 0.12
Chromium (Cr), % 0.7 to 0.9
17 to 18
Copper (Cu), % 0 to 0.25
1.5 to 3.5
Iron (Fe), % 94.9 to 96.5
66.1 to 74.4
Manganese (Mn), % 0.6 to 0.9
5.0 to 7.0
Molybdenum (Mo), % 0.15 to 0.3
0
Nickel (Ni), % 1.7 to 2.0
2.0 to 4.0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030