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EN 1.3558 Steel vs. EN 1.4017 Stainless Steel

Both EN 1.3558 steel and EN 1.4017 stainless steel are iron alloys. They have 80% 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 1.4017 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
580

Thermal Properties

Latent Heat of Fusion, J/g 240
280
Maximum Temperature: Mechanical, °C 490
870
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
30
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 45
9.5
Density, g/cm3 9.3
7.7
Embodied Carbon, kg CO2/kg material 8.4
2.2
Embodied Energy, MJ/kg 130
31
Embodied Water, L/kg 90
120

Common Calculations

PREN (Pitting Resistance) 35
17
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23
21
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 5.3
8.1
Thermal Shock Resistance, points 22
20

Alloy Composition

Carbon (C), % 0.7 to 0.8
0 to 0.080
Chromium (Cr), % 3.9 to 4.3
16 to 18
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 73.7 to 77.6
78.3 to 82.8
Manganese (Mn), % 0 to 0.4
0 to 1.0
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 0
1.2 to 1.6
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 0.015
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.0 to 1.3
0