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EN 1.3558 Steel vs. EN 1.4311 Stainless Steel

Both EN 1.3558 steel and EN 1.4311 stainless steel are iron alloys. They have 74% 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 1.4311 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
200
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
650

Thermal Properties

Latent Heat of Fusion, J/g 240
290
Maximum Temperature: Mechanical, °C 490
950
Melting Completion (Liquidus), °C 1810
1420
Melting Onset (Solidus), °C 1760
1380
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 20
15
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 45
16
Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 8.4
3.1
Embodied Energy, MJ/kg 130
43
Embodied Water, L/kg 90
140

Common Calculations

PREN (Pitting Resistance) 35
21
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23
23
Strength to Weight: Bending, points 20
21
Thermal Diffusivity, mm2/s 5.3
4.0
Thermal Shock Resistance, points 22
15

Alloy Composition

Carbon (C), % 0.7 to 0.8
0 to 0.030
Chromium (Cr), % 3.9 to 4.3
17.5 to 19.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 73.7 to 77.6
65.7 to 73.9
Manganese (Mn), % 0 to 0.4
0 to 2.0
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 0
8.5 to 11.5
Nitrogen (N), % 0
0.12 to 0.22
Phosphorus (P), % 0 to 0.025
0 to 0.045
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