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EN 1.3555 Steel vs. S32050 Stainless Steel

Both EN 1.3555 steel and S32050 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 60% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.3555 steel and the bottom bar is S32050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
220
Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
81
Tensile Strength: Ultimate (UTS), MPa 770
770

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Maximum Temperature: Mechanical, °C 540
1100
Melting Completion (Liquidus), °C 1500
1460
Melting Onset (Solidus), °C 1450
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
31
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 5.6
6.0
Embodied Energy, MJ/kg 81
81
Embodied Water, L/kg 90
210

Common Calculations

PREN (Pitting Resistance) 18
48
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27
27
Strength to Weight: Bending, points 23
23
Thermal Shock Resistance, points 22
17

Alloy Composition

Carbon (C), % 0.1 to 0.15
0 to 0.030
Chromium (Cr), % 3.9 to 4.3
22 to 24
Copper (Cu), % 0 to 0.1
0 to 0.4
Iron (Fe), % 85.4 to 87.7
43.1 to 51.8
Manganese (Mn), % 0.15 to 0.35
0 to 1.5
Molybdenum (Mo), % 4.0 to 4.5
6.0 to 6.6
Nickel (Ni), % 3.2 to 3.6
20 to 23
Nitrogen (N), % 0
0.21 to 0.32
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0.1 to 0.25
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.020
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 1.0 to 1.3
0