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EN 1.4449 Stainless Steel vs. EN 1.5502 Steel

Both EN 1.4449 stainless steel and EN 1.5502 steel are iron alloys. They have 67% 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 1.4449 stainless steel and the bottom bar is EN 1.5502 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
120 to 160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 48
12 to 20
Fatigue Strength, MPa 240
190 to 290
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 440
280 to 330
Tensile Strength: Ultimate (UTS), MPa 620
400 to 1380
Tensile Strength: Yield (Proof), MPa 250
270 to 440

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 960
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
52
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 19
1.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.4
Embodied Energy, MJ/kg 54
19
Embodied Water, L/kg 150
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
41 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 160
200 to 520
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
14 to 49
Strength to Weight: Bending, points 20
15 to 35
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 14
12 to 40

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.035
0.15 to 0.2
Chromium (Cr), % 17 to 18.2
0 to 0.3
Copper (Cu), % 0 to 1.0
0 to 0.25
Iron (Fe), % 62.4 to 69.3
98 to 99.249
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Molybdenum (Mo), % 2.3 to 2.8
0
Nickel (Ni), % 11.5 to 12.5
0
Nitrogen (N), % 0 to 0.080
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.025