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S20433 Stainless Steel vs. EN 1.1221 Steel

Both S20433 stainless steel and EN 1.1221 steel are iron alloys. They have 70% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S20433 stainless steel and the bottom bar is EN 1.1221 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
210 to 250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 46
10 to 21
Fatigue Strength, MPa 250
240 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Shear Strength, MPa 440
450 to 520
Tensile Strength: Ultimate (UTS), MPa 630
730 to 870
Tensile Strength: Yield (Proof), MPa 270
390 to 550

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 900
400
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
48
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.5
Embodied Energy, MJ/kg 39
19
Embodied Water, L/kg 150
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
67 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 180
410 to 800
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
26 to 31
Strength to Weight: Bending, points 21
23 to 26
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 14
23 to 28

Alloy Composition

Carbon (C), % 0 to 0.080
0.57 to 0.65
Chromium (Cr), % 17 to 18
0 to 0.4
Copper (Cu), % 1.5 to 3.5
0
Iron (Fe), % 64.1 to 72.4
97.1 to 98.8
Manganese (Mn), % 5.5 to 7.5
0.6 to 0.9
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 3.5 to 5.5
0 to 0.4
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035