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AISI 205 Stainless Steel vs. EN 1.8550 Steel

Both AISI 205 stainless steel and EN 1.8550 steel are iron alloys. They have 69% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 205 stainless steel and the bottom bar is EN 1.8550 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 440
300
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11 to 51
11
Fatigue Strength, MPa 410 to 640
470
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 560 to 850
600
Tensile Strength: Ultimate (UTS), MPa 800 to 1430
1000
Tensile Strength: Yield (Proof), MPa 450 to 1100
760

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 880
440
Melting Completion (Liquidus), °C 1380
1450
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 18
13

Otherwise Unclassified Properties

Base Metal Price, % relative 11
3.4
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.7
Embodied Energy, MJ/kg 37
23
Embodied Water, L/kg 150
67

Common Calculations

PREN (Pitting Resistance) 23
2.3
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 430
100
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 3060
1550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 29 to 52
36
Strength to Weight: Bending, points 25 to 37
29
Thermal Shock Resistance, points 16 to 29
29

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0.12 to 0.25
0.3 to 0.37
Chromium (Cr), % 16.5 to 18.5
1.5 to 1.8
Iron (Fe), % 62.6 to 68.1
94.4 to 96.3
Manganese (Mn), % 14 to 15.5
0.4 to 0.7
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 1.0 to 1.7
0.85 to 1.2
Nitrogen (N), % 0.32 to 0.4
0
Phosphorus (P), % 0 to 0.060
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035