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EN 1.3558 Steel vs. S32550 Stainless Steel

Both EN 1.3558 steel and S32550 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 26 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 1.3558 steel and the bottom bar is S32550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
260
Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 770
860

Thermal Properties

Latent Heat of Fusion, J/g 240
300
Maximum Temperature: Mechanical, °C 490
1100
Melting Completion (Liquidus), °C 1810
1440
Melting Onset (Solidus), °C 1760
1390
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 20
16
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 45
20
Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 8.4
3.8
Embodied Energy, MJ/kg 130
53
Embodied Water, L/kg 90
180

Common Calculations

PREN (Pitting Resistance) 35
40
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23
31
Strength to Weight: Bending, points 20
26
Thermal Diffusivity, mm2/s 5.3
4.4
Thermal Shock Resistance, points 22
23

Alloy Composition

Carbon (C), % 0.7 to 0.8
0 to 0.040
Chromium (Cr), % 3.9 to 4.3
24 to 27
Copper (Cu), % 0 to 0.3
1.5 to 2.5
Iron (Fe), % 73.7 to 77.6
57.2 to 67
Manganese (Mn), % 0 to 0.4
0 to 1.5
Molybdenum (Mo), % 0 to 0.6
2.9 to 3.9
Nickel (Ni), % 0
4.5 to 6.5
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.0 to 1.3
0