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EN 1.3555 Steel vs. EN 1.4020 Stainless Steel

Both EN 1.3555 steel and EN 1.4020 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.3555 steel and the bottom bar is EN 1.4020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 770
770 to 1130

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 540
890
Melting Completion (Liquidus), °C 1500
1390
Melting Onset (Solidus), °C 1450
1350
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 5.6
2.5
Embodied Energy, MJ/kg 81
37
Embodied Water, L/kg 90
150

Common Calculations

PREN (Pitting Resistance) 18
23
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27
28 to 41
Strength to Weight: Bending, points 23
25 to 32
Thermal Shock Resistance, points 22
16 to 23

Alloy Composition

Carbon (C), % 0.1 to 0.15
0 to 0.15
Chromium (Cr), % 3.9 to 4.3
16.5 to 19
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 85.4 to 87.7
62.8 to 71.8
Manganese (Mn), % 0.15 to 0.35
11 to 14
Molybdenum (Mo), % 4.0 to 4.5
0
Nickel (Ni), % 3.2 to 3.6
0.5 to 2.5
Nitrogen (N), % 0
0.2 to 0.45
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0.1 to 0.25
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 1.0 to 1.3
0