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EN 1.4470 Stainless Steel vs. EN 1.5662 Steel

Both EN 1.4470 stainless steel and EN 1.5662 steel are iron alloys. They have 74% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4470 stainless steel and the bottom bar is EN 1.5662 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
20
Fatigue Strength, MPa 320
380 to 450
Impact Strength: V-Notched Charpy, J 34
91 to 130
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 680
740 to 750
Tensile Strength: Yield (Proof), MPa 480
550 to 660

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1060
430
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
8.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 17
7.5
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.6
2.3
Embodied Energy, MJ/kg 49
31
Embodied Water, L/kg 160
63

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 570
810 to 1150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
26
Strength to Weight: Bending, points 22
23
Thermal Shock Resistance, points 18
22

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 21 to 23
0
Iron (Fe), % 63.7 to 71.9
88.6 to 91.2
Manganese (Mn), % 0 to 2.0
0.3 to 0.8
Molybdenum (Mo), % 2.5 to 3.5
0 to 0.1
Nickel (Ni), % 4.5 to 6.5
8.5 to 10
Nitrogen (N), % 0.12 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.0050
Vanadium (V), % 0
0 to 0.050