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EN 1.4736 Stainless Steel vs. EN 1.3555 Steel

Both EN 1.4736 stainless steel and EN 1.3555 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 1.4736 stainless steel and the bottom bar is EN 1.3555 steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
11
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 2.4
5.6
Embodied Energy, MJ/kg 35
81
Embodied Water, L/kg 140
90

Common Calculations

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

Alloy Composition

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