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EN 1.3558 Steel vs. EN 1.4477 Stainless Steel

Both EN 1.3558 steel and EN 1.4477 stainless steel are iron alloys. They have 65% of their average alloy composition in common. There are 26 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 1.4477 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
270
Elastic (Young's, Tensile) Modulus, GPa 210
210
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 80
81
Tensile Strength: Ultimate (UTS), MPa 770
880 to 930

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
1380
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 20
13
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
20
Density, g/cm3 9.3
7.7
Embodied Carbon, kg CO2/kg material 8.4
3.7
Embodied Energy, MJ/kg 130
52
Embodied Water, L/kg 90
190

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
31 to 33
Strength to Weight: Bending, points 20
26 to 27
Thermal Diffusivity, mm2/s 5.3
3.5
Thermal Shock Resistance, points 22
23 to 25

Alloy Composition

Carbon (C), % 0.7 to 0.8
0 to 0.030
Chromium (Cr), % 3.9 to 4.3
28 to 30
Copper (Cu), % 0 to 0.3
0 to 0.8
Iron (Fe), % 73.7 to 77.6
56.6 to 63.6
Manganese (Mn), % 0 to 0.4
0.8 to 1.5
Molybdenum (Mo), % 0 to 0.6
1.5 to 2.6
Nickel (Ni), % 0
5.8 to 7.5
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.5
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