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EN 1.3558 Steel vs. S35125 Stainless Steel

Both EN 1.3558 steel and S35125 stainless steel are iron alloys. They have 46% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.3558 steel and the bottom bar is S35125 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 770
540

Thermal Properties

Latent Heat of Fusion, J/g 240
300
Maximum Temperature: Mechanical, °C 490
1100
Melting Completion (Liquidus), °C 1810
1430
Melting Onset (Solidus), °C 1760
1380
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 20
12
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 12
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 45
36
Density, g/cm3 9.3
8.1
Embodied Carbon, kg CO2/kg material 8.4
6.4
Embodied Energy, MJ/kg 130
89
Embodied Water, L/kg 90
210

Common Calculations

PREN (Pitting Resistance) 35
30
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 23
19
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 5.3
3.1
Thermal Shock Resistance, points 22
12

Alloy Composition

Carbon (C), % 0.7 to 0.8
0 to 0.1
Chromium (Cr), % 3.9 to 4.3
20 to 23
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 73.7 to 77.6
36.2 to 45.8
Manganese (Mn), % 0 to 0.4
1.0 to 1.5
Molybdenum (Mo), % 0 to 0.6
2.0 to 3.0
Nickel (Ni), % 0
31 to 35
Niobium (Nb), % 0
0.25 to 0.6
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.0 to 1.3
0