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EN 1.3558 Steel vs. AISI 301 Stainless Steel

Both EN 1.3558 steel and AISI 301 stainless steel are iron alloys. They have 79% 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 AISI 301 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
190 to 440
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
590 to 1460

Thermal Properties

Latent Heat of Fusion, J/g 240
280
Maximum Temperature: Mechanical, °C 490
840
Melting Completion (Liquidus), °C 1810
1420
Melting Onset (Solidus), °C 1760
1400
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 20
16
Thermal Expansion, µm/m-K 12
17

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
13
Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 8.4
2.7
Embodied Energy, MJ/kg 130
39
Embodied Water, L/kg 90
130

Common Calculations

PREN (Pitting Resistance) 35
18
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23
21 to 52
Strength to Weight: Bending, points 20
20 to 37
Thermal Diffusivity, mm2/s 5.3
4.2
Thermal Shock Resistance, points 22
12 to 31

Alloy Composition

Carbon (C), % 0.7 to 0.8
0 to 0.15
Chromium (Cr), % 3.9 to 4.3
16 to 18
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 73.7 to 77.6
70.7 to 78
Manganese (Mn), % 0 to 0.4
0 to 2.0
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0 to 0.1
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 0.030
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.0 to 1.3
0