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EN 1.8550 Steel vs. AISI 410S Stainless Steel

Both EN 1.8550 steel and AISI 410S stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.8550 steel and the bottom bar is AISI 410S stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300
160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11
25
Fatigue Strength, MPa 470
180
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 600
310
Tensile Strength: Ultimate (UTS), MPa 1000
480
Tensile Strength: Yield (Proof), MPa 760
250

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 440
740
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 40
30
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.7
1.9
Embodied Energy, MJ/kg 23
27
Embodied Water, L/kg 67
100

Common Calculations

PREN (Pitting Resistance) 2.3
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
100
Resilience: Unit (Modulus of Resilience), kJ/m3 1550
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 36
17
Strength to Weight: Bending, points 29
18
Thermal Diffusivity, mm2/s 11
8.1
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 0.080
Chromium (Cr), % 1.5 to 1.8
11.5 to 13.5
Iron (Fe), % 94.4 to 96.3
83.8 to 88.5
Manganese (Mn), % 0.4 to 0.7
0 to 1.0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.85 to 1.2
0 to 0.6
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.030