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EN 1.5535 Steel vs. AISI 444 Stainless Steel

Both EN 1.5535 steel and AISI 444 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.5535 steel and the bottom bar is AISI 444 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 180
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 22
23
Fatigue Strength, MPa 210 to 320
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 320 to 370
300
Tensile Strength: Ultimate (UTS), MPa 450 to 1490
470
Tensile Strength: Yield (Proof), MPa 300 to 500
310

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
930
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 50
23
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
15
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
3.4
Embodied Energy, MJ/kg 19
47
Embodied Water, L/kg 48
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 45 to 250
95
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 680
240
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16 to 53
17
Strength to Weight: Bending, points 17 to 37
17
Thermal Diffusivity, mm2/s 13
6.2
Thermal Shock Resistance, points 13 to 44
16

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.2 to 0.25
0 to 0.025
Chromium (Cr), % 0 to 0.3
17.5 to 19.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 97.6 to 98.9
73.3 to 80.8
Manganese (Mn), % 0.9 to 1.2
0 to 1.0
Molybdenum (Mo), % 0
1.8 to 2.5
Nickel (Ni), % 0
0 to 1.0
Niobium (Nb), % 0
0.2 to 0.8
Nitrogen (N), % 0
0 to 0.035
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Titanium (Ti), % 0
0.2 to 0.8