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EN 1.5522 Steel vs. EN 1.4122 Stainless Steel

Both EN 1.5522 steel and EN 1.4122 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 30 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 1.5522 steel and the bottom bar is EN 1.4122 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 21
14
Fatigue Strength, MPa 210 to 330
260 to 360
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 320 to 380
480 to 520
Tensile Strength: Ultimate (UTS), MPa 450 to 1490
790 to 850
Tensile Strength: Yield (Proof), MPa 300 to 520
450 to 630

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
870
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
9.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.4
Embodied Energy, MJ/kg 19
33
Embodied Water, L/kg 47
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 45 to 250
93 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 720
520 to 1000
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16 to 53
28 to 31
Strength to Weight: Bending, points 17 to 37
25 to 26
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 13 to 44
28 to 30

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.2 to 0.24
0.33 to 0.45
Chromium (Cr), % 0
15.5 to 17.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 98 to 98.9
77.2 to 83.4
Manganese (Mn), % 0.9 to 1.2
0 to 1.5
Molybdenum (Mo), % 0
0.8 to 1.3
Nickel (Ni), % 0
0 to 1.0
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 0.015