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EN 1.3558 Steel vs. EN 1.4474 Stainless Steel

Both EN 1.3558 steel and EN 1.4474 stainless steel are iron alloys. They have 70% 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 1.4474 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
80
Tensile Strength: Ultimate (UTS), MPa 770
670

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
1390
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 20
17
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 45
17
Density, g/cm3 9.3
7.7
Embodied Carbon, kg CO2/kg material 8.4
3.4
Embodied Energy, MJ/kg 130
48
Embodied Water, L/kg 90
170

Common Calculations

PREN (Pitting Resistance) 35
34
Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23
24
Strength to Weight: Bending, points 20
22
Thermal Diffusivity, mm2/s 5.3
4.6
Thermal Shock Resistance, points 22
18

Alloy Composition

Carbon (C), % 0.7 to 0.8
0 to 0.050
Chromium (Cr), % 3.9 to 4.3
25 to 27
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 73.7 to 77.6
61.2 to 69.1
Manganese (Mn), % 0 to 0.4
0 to 2.0
Molybdenum (Mo), % 0 to 0.6
1.3 to 2.0
Nickel (Ni), % 0
4.5 to 6.5
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.025
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.0 to 1.3
0