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EN 1.3558 Steel vs. EN 1.4417 Stainless Steel

Both EN 1.3558 steel and EN 1.4417 stainless steel are iron alloys. They have 67% 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 EN 1.4417 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 80
81
Tensile Strength: Ultimate (UTS), MPa 770
730

Thermal Properties

Latent Heat of Fusion, J/g 240
300
Maximum Temperature: Mechanical, °C 490
1100
Melting Completion (Liquidus), °C 1810
1450
Melting Onset (Solidus), °C 1760
1410
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 20
17
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
21
Density, g/cm3 9.3
7.9
Embodied Carbon, kg CO2/kg material 8.4
4.1
Embodied Energy, MJ/kg 130
57
Embodied Water, L/kg 90
180

Common Calculations

PREN (Pitting Resistance) 35
41
Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23
26
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 5.3
4.6
Thermal Shock Resistance, points 22
20

Alloy Composition

Carbon (C), % 0.7 to 0.8
0 to 0.030
Chromium (Cr), % 3.9 to 4.3
24 to 26
Copper (Cu), % 0 to 0.3
0 to 1.0
Iron (Fe), % 73.7 to 77.6
56.7 to 66.9
Manganese (Mn), % 0 to 0.4
0 to 1.5
Molybdenum (Mo), % 0 to 0.6
3.0 to 4.0
Nickel (Ni), % 0
6.0 to 8.5
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.020
Tungsten (W), % 17.5 to 19
0 to 1.0
Vanadium (V), % 1.0 to 1.3
0