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EN 1.6220 Steel vs. EN 1.4002 Stainless Steel

Both EN 1.6220 steel and EN 1.4002 stainless 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 1.6220 steel and the bottom bar is EN 1.4002 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23 to 25
19
Fatigue Strength, MPa 240 to 250
160
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 550 to 580
500
Tensile Strength: Yield (Proof), MPa 340
260

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
760
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 52
30
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
3.3

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
80
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 310
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19 to 20
18
Strength to Weight: Bending, points 19 to 20
18
Thermal Diffusivity, mm2/s 14
8.1
Thermal Shock Resistance, points 16 to 17
18

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.3
Carbon (C), % 0.17 to 0.23
0 to 0.080
Chromium (Cr), % 0
12 to 14
Iron (Fe), % 96.7 to 98.8
83.6 to 87.9
Manganese (Mn), % 1.0 to 1.6
0 to 1.0
Nickel (Ni), % 0 to 0.8
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015