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EN 1.8063 Steel vs. S21900 Stainless Steel

Both EN 1.8063 steel and S21900 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.8063 steel and the bottom bar is S21900 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 540
220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
78
Tensile Strength: Ultimate (UTS), MPa 670 to 1980
710

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Mechanical, °C 420
980
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 42
14
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
15
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.6
3.0
Embodied Energy, MJ/kg 21
43
Embodied Water, L/kg 51
160

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 71
26
Strength to Weight: Bending, points 22 to 45
23
Thermal Diffusivity, mm2/s 11
3.8
Thermal Shock Resistance, points 20 to 59
15

Alloy Composition

Carbon (C), % 0.46 to 0.54
0 to 0.080
Chromium (Cr), % 0.8 to 1.1
19 to 21.5
Iron (Fe), % 95.2 to 96.4
59.4 to 67.4
Manganese (Mn), % 0.7 to 1.0
8.0 to 10
Molybdenum (Mo), % 0.2 to 0.35
0
Nickel (Ni), % 0
5.5 to 7.5
Nitrogen (N), % 0
0.15 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 1.4 to 1.8
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030