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EN 1.3558 Steel vs. EN 1.4028 Stainless Steel

Both EN 1.3558 steel and EN 1.4028 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 1.4028 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 770
660 to 930

Thermal Properties

Latent Heat of Fusion, J/g 240
270
Maximum Temperature: Mechanical, °C 490
760
Melting Completion (Liquidus), °C 1810
1440
Melting Onset (Solidus), °C 1760
1400
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 20
30
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 12
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 45
7.0
Density, g/cm3 9.3
7.7
Embodied Carbon, kg CO2/kg material 8.4
1.9
Embodied Energy, MJ/kg 130
27
Embodied Water, L/kg 90
100

Common Calculations

PREN (Pitting Resistance) 35
13
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23
24 to 33
Strength to Weight: Bending, points 20
22 to 27
Thermal Diffusivity, mm2/s 5.3
8.1
Thermal Shock Resistance, points 22
23 to 32

Alloy Composition

Carbon (C), % 0.7 to 0.8
0.26 to 0.35
Chromium (Cr), % 3.9 to 4.3
12 to 14
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 73.7 to 77.6
83.1 to 87.7
Manganese (Mn), % 0 to 0.4
0 to 1.5
Molybdenum (Mo), % 0 to 0.6
0
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