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S33228 Stainless Steel vs. EN 1.7221 Steel

Both S33228 stainless steel and EN 1.7221 steel are iron alloys. They have 41% of their average alloy composition in common. There are 26 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 S33228 stainless steel and the bottom bar is EN 1.7221 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200 to 230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
11 to 17
Fatigue Strength, MPa 170
290 to 390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 570
650 to 780
Tensile Strength: Yield (Proof), MPa 210
430 to 630

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 37
2.4
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.2
1.5
Embodied Energy, MJ/kg 89
20
Embodied Water, L/kg 220
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
83 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 110
490 to 1050
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
23 to 27
Strength to Weight: Bending, points 19
21 to 24
Thermal Shock Resistance, points 13
19 to 23

Alloy Composition

Aluminum (Al), % 0 to 0.025
0
Carbon (C), % 0.040 to 0.080
0.22 to 0.29
Cerium (Ce), % 0.050 to 0.1
0
Chromium (Cr), % 26 to 28
0.8 to 1.2
Iron (Fe), % 36.5 to 42.3
96.8 to 98.3
Manganese (Mn), % 0 to 1.0
0.5 to 0.8
Molybdenum (Mo), % 0
0.15 to 0.3
Nickel (Ni), % 31 to 33
0
Niobium (Nb), % 0.6 to 1.0
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.3
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030