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EN 1.4028 Stainless Steel vs. EN 1.6220 Steel

Both EN 1.4028 stainless steel and EN 1.6220 steel are iron alloys. They have 87% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4028 stainless steel and the bottom bar is EN 1.6220 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
23 to 25
Fatigue Strength, MPa 230 to 400
240 to 250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 660 to 930
550 to 580
Tensile Strength: Yield (Proof), MPa 390 to 730
340

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 760
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
52
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.5
Embodied Energy, MJ/kg 27
19
Embodied Water, L/kg 100
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94 to 96
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 1360
300 to 310
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 33
19 to 20
Strength to Weight: Bending, points 22 to 27
19 to 20
Thermal Diffusivity, mm2/s 8.1
14
Thermal Shock Resistance, points 23 to 32
16 to 17

Alloy Composition

Carbon (C), % 0.26 to 0.35
0.17 to 0.23
Chromium (Cr), % 12 to 14
0
Iron (Fe), % 83.1 to 87.7
96.7 to 98.8
Manganese (Mn), % 0 to 1.5
1.0 to 1.6
Nickel (Ni), % 0
0 to 0.8
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030