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EN 1.3555 Steel vs. EN 1.4306 Stainless Steel

Both EN 1.3555 steel and EN 1.4306 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 24 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 1.4306 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
190 to 270
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
580 to 900

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 540
960
Melting Completion (Liquidus), °C 1500
1420
Melting Onset (Solidus), °C 1450
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
16
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.6
3.2
Embodied Energy, MJ/kg 81
45
Embodied Water, L/kg 90
150

Common Calculations

PREN (Pitting Resistance) 18
20
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27
21 to 32
Strength to Weight: Bending, points 23
20 to 27
Thermal Shock Resistance, points 22
13 to 20

Alloy Composition

Carbon (C), % 0.1 to 0.15
0 to 0.030
Chromium (Cr), % 3.9 to 4.3
18 to 20
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 85.4 to 87.7
64.8 to 72
Manganese (Mn), % 0.15 to 0.35
0 to 2.0
Molybdenum (Mo), % 4.0 to 4.5
0
Nickel (Ni), % 3.2 to 3.6
10 to 12
Nitrogen (N), % 0
0 to 0.1
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 0.015
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 1.0 to 1.3
0