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EN 1.4306 Stainless Steel vs. EN 1.5662 Steel

Both EN 1.4306 stainless steel and EN 1.5662 steel are iron alloys. They have 78% 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 1.4306 stainless steel and the bottom bar is EN 1.5662 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
220 to 230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 45
20
Fatigue Strength, MPa 190 to 330
380 to 450
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 400 to 550
460 to 470
Tensile Strength: Ultimate (UTS), MPa 580 to 900
740 to 750
Tensile Strength: Yield (Proof), MPa 210 to 570
550 to 660

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 960
430
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
8.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 16
7.5
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.2
2.3
Embodied Energy, MJ/kg 45
31
Embodied Water, L/kg 150
63

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 200
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 820
810 to 1150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
26
Strength to Weight: Bending, points 20 to 27
23
Thermal Shock Resistance, points 13 to 20
22

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 18 to 20
0
Iron (Fe), % 64.8 to 72
88.6 to 91.2
Manganese (Mn), % 0 to 2.0
0.3 to 0.8
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 10 to 12
8.5 to 10
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.0050
Vanadium (V), % 0
0 to 0.050

Comparable Variants