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EN 1.3558 Steel vs. EN 1.4415 Stainless Steel

Both EN 1.3558 steel and EN 1.4415 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 25 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 EN 1.4415 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
77
Tensile Strength: Ultimate (UTS), MPa 770
830 to 930

Thermal Properties

Latent Heat of Fusion, J/g 240
280
Maximum Temperature: Mechanical, °C 490
790
Melting Completion (Liquidus), °C 1810
1460
Melting Onset (Solidus), °C 1760
1420
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 20
19
Thermal Expansion, µm/m-K 12
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 45
13
Density, g/cm3 9.3
7.9
Embodied Carbon, kg CO2/kg material 8.4
3.6
Embodied Energy, MJ/kg 130
51
Embodied Water, L/kg 90
120

Common Calculations

PREN (Pitting Resistance) 35
19
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23
29 to 33
Strength to Weight: Bending, points 20
25 to 27
Thermal Diffusivity, mm2/s 5.3
5.1
Thermal Shock Resistance, points 22
30 to 34

Alloy Composition

Carbon (C), % 0.7 to 0.8
0 to 0.030
Chromium (Cr), % 3.9 to 4.3
11.5 to 13.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 73.7 to 77.6
75.9 to 82.4
Manganese (Mn), % 0 to 0.4
0 to 0.5
Molybdenum (Mo), % 0 to 0.6
1.5 to 2.5
Nickel (Ni), % 0
4.5 to 6.5
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.0 to 1.3
0.1 to 0.5