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EN 1.3555 Steel vs. EN 1.4736 Stainless Steel

Both EN 1.3555 steel and EN 1.4736 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 84% 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 1.4736 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 770
580

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 540
1000
Melting Completion (Liquidus), °C 1500
1420
Melting Onset (Solidus), °C 1450
1380
Specific Heat Capacity, J/kg-K 460
490
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 11
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.0
Density, g/cm3 7.9
7.6
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
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27
21
Strength to Weight: Bending, points 23
20
Thermal Shock Resistance, points 22
21

Alloy Composition

Aluminum (Al), % 0
1.7 to 2.1
Carbon (C), % 0.1 to 0.15
0 to 0.040
Chromium (Cr), % 3.9 to 4.3
17 to 18
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 85.4 to 87.7
77 to 81.1
Manganese (Mn), % 0.15 to 0.35
0 to 1.0
Molybdenum (Mo), % 4.0 to 4.5
0
Nickel (Ni), % 3.2 to 3.6
0
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0.1 to 0.25
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0
0.2 to 0.8
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 1.0 to 1.3
0