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EN 1.1221 Steel vs. S28200 Stainless Steel

Both EN 1.1221 steel and S28200 stainless steel are iron alloys. They have 62% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.1221 steel and the bottom bar is S28200 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 250
260
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 10 to 21
45
Fatigue Strength, MPa 240 to 340
430
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Shear Strength, MPa 450 to 520
610
Tensile Strength: Ultimate (UTS), MPa 730 to 870
870
Tensile Strength: Yield (Proof), MPa 390 to 550
460

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
900
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1410
1330
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
12
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.5
2.8
Embodied Energy, MJ/kg 19
41
Embodied Water, L/kg 47
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67 to 130
330
Resilience: Unit (Modulus of Resilience), kJ/m3 410 to 800
540
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 26 to 31
32
Strength to Weight: Bending, points 23 to 26
27
Thermal Shock Resistance, points 23 to 28
17

Alloy Composition

Carbon (C), % 0.57 to 0.65
0 to 0.15
Chromium (Cr), % 0 to 0.4
17 to 19
Copper (Cu), % 0
0.75 to 1.3
Iron (Fe), % 97.1 to 98.8
57.7 to 64.1
Manganese (Mn), % 0.6 to 0.9
17 to 19
Molybdenum (Mo), % 0 to 0.1
0.75 to 1.3
Nickel (Ni), % 0 to 0.4
0
Nitrogen (N), % 0
0.4 to 0.6
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.030