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EN 1.4109 Stainless Steel vs. EN 1.5662 Steel

Both EN 1.4109 stainless steel and EN 1.5662 steel are iron alloys. They have 84% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4109 stainless steel and the bottom bar is EN 1.5662 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
220 to 230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 19
20
Fatigue Strength, MPa 270
380 to 450
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 480
460 to 470
Tensile Strength: Ultimate (UTS), MPa 770
740 to 750
Tensile Strength: Yield (Proof), MPa 420
550 to 660

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 820
430
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
8.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
7.5
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.2
2.3
Embodied Energy, MJ/kg 30
31
Embodied Water, L/kg 110
63

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 460
810 to 1150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
26
Strength to Weight: Bending, points 24
23
Thermal Shock Resistance, points 28
22

Alloy Composition

Carbon (C), % 0.6 to 0.75
0 to 0.1
Chromium (Cr), % 14 to 16
0
Iron (Fe), % 80.7 to 85
88.6 to 91.2
Manganese (Mn), % 0 to 1.0
0.3 to 0.8
Molybdenum (Mo), % 0.4 to 0.8
0 to 0.1
Nickel (Ni), % 0
8.5 to 10
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 0.7
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.0050
Vanadium (V), % 0
0 to 0.050