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S33550 Stainless Steel vs. EN 1.8871 Steel

Both S33550 stainless steel and EN 1.8871 steel are iron alloys. They have 55% of their average alloy composition in common. There are 31 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 S33550 stainless steel and the bottom bar is EN 1.8871 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
22
Fatigue Strength, MPa 270
320
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 470
380
Tensile Strength: Ultimate (UTS), MPa 680
610
Tensile Strength: Yield (Proof), MPa 310
460

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 24
2.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.3
1.7
Embodied Energy, MJ/kg 61
22
Embodied Water, L/kg 190
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
120
Resilience: Unit (Modulus of Resilience), kJ/m3 250
550
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
22
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 3.9
10
Thermal Shock Resistance, points 15
18

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.040 to 0.1
0 to 0.18
Cerium (Ce), % 0.025 to 0.070
0
Chromium (Cr), % 25 to 28
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 48.8 to 58.2
95.1 to 100
Lanthanum (La), % 0.025 to 0.070
0
Manganese (Mn), % 0 to 1.5
0 to 1.7
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 16.5 to 20
0 to 1.0
Niobium (Nb), % 0.050 to 0.15
0 to 0.050
Nitrogen (N), % 0.18 to 0.25
0 to 0.015
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.080
Zirconium (Zr), % 0
0 to 0.050