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EN 1.3555 Steel vs. S82012 Stainless Steel

Both EN 1.3555 steel and S82012 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 81% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.3555 steel and the bottom bar is S82012 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
78
Tensile Strength: Ultimate (UTS), MPa 770
800

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 540
950
Melting Completion (Liquidus), °C 1500
1430
Melting Onset (Solidus), °C 1450
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 5.6
2.4
Embodied Energy, MJ/kg 81
35
Embodied Water, L/kg 90
140

Common Calculations

PREN (Pitting Resistance) 18
24
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27
29
Strength to Weight: Bending, points 23
25
Thermal Shock Resistance, points 22
23

Alloy Composition

Carbon (C), % 0.1 to 0.15
0 to 0.050
Chromium (Cr), % 3.9 to 4.3
19 to 20.5
Copper (Cu), % 0 to 0.1
0 to 1.0
Iron (Fe), % 85.4 to 87.7
71.3 to 77.9
Manganese (Mn), % 0.15 to 0.35
2.0 to 4.0
Molybdenum (Mo), % 4.0 to 4.5
0.1 to 0.6
Nickel (Ni), % 3.2 to 3.6
0.8 to 1.5
Nitrogen (N), % 0
0.16 to 0.26
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0.1 to 0.25
0 to 0.8
Sulfur (S), % 0 to 0.010
0 to 0.0050
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 1.0 to 1.3
0