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S38100 Stainless Steel vs. EN 1.7220 Steel

Both S38100 stainless steel and EN 1.7220 steel are iron alloys. They have 63% of their average alloy composition in common. There are 25 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 S38100 stainless steel and the bottom bar is EN 1.7220 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
160 to 290
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 580
520 to 1720

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 970
420
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
44
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 20
2.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.5
Embodied Energy, MJ/kg 54
20
Embodied Water, L/kg 160
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
18 to 61
Strength to Weight: Bending, points 20
18 to 41
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 13
15 to 50

Alloy Composition

Carbon (C), % 0 to 0.080
0.3 to 0.37
Chromium (Cr), % 17 to 19
0.9 to 1.2
Iron (Fe), % 57.9 to 64
96.8 to 98.1
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Molybdenum (Mo), % 0
0.15 to 0.3
Nickel (Ni), % 17.5 to 18.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 1.5 to 2.5
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035