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EN 1.8550 Steel vs. S28200 Stainless Steel

Both EN 1.8550 steel and S28200 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 28 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 1.8550 steel and the bottom bar is S28200 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300
260
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
45
Fatigue Strength, MPa 470
430
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 600
610
Tensile Strength: Ultimate (UTS), MPa 1000
870
Tensile Strength: Yield (Proof), MPa 760
460

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 440
900
Melting Completion (Liquidus), °C 1450
1380
Melting Onset (Solidus), °C 1410
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 13
18

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
12
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.7
2.8
Embodied Energy, MJ/kg 23
41
Embodied Water, L/kg 67
160

Common Calculations

PREN (Pitting Resistance) 2.3
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
330
Resilience: Unit (Modulus of Resilience), kJ/m3 1550
540
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 36
32
Strength to Weight: Bending, points 29
27
Thermal Shock Resistance, points 29
17

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.3 to 0.37
0 to 0.15
Chromium (Cr), % 1.5 to 1.8
17 to 19
Copper (Cu), % 0
0.75 to 1.3
Iron (Fe), % 94.4 to 96.3
57.7 to 64.1
Manganese (Mn), % 0.4 to 0.7
17 to 19
Molybdenum (Mo), % 0.15 to 0.25
0.75 to 1.3
Nickel (Ni), % 0.85 to 1.2
0
Nitrogen (N), % 0
0.4 to 0.6
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.030