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EN 1.4662 Stainless Steel vs. S32808 Stainless Steel

Both EN 1.4662 stainless steel and S32808 stainless steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4662 stainless steel and the bottom bar is S32808 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 28
17
Fatigue Strength, MPa 430 to 450
350
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 79
81
Shear Strength, MPa 520 to 540
480
Tensile Strength: Ultimate (UTS), MPa 810 to 830
780
Tensile Strength: Yield (Proof), MPa 580 to 620
570

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 440
460
Maximum Temperature: Mechanical, °C 1090
1100
Melting Completion (Liquidus), °C 1430
1470
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 16
24
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.2
4.0
Embodied Energy, MJ/kg 45
57
Embodied Water, L/kg 170
180

Common Calculations

PREN (Pitting Resistance) 33
40
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
120
Resilience: Unit (Modulus of Resilience), kJ/m3 840 to 940
790
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29 to 30
27
Strength to Weight: Bending, points 25
24
Thermal Diffusivity, mm2/s 3.9
3.8
Thermal Shock Resistance, points 22
21

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 23 to 25
27 to 27.9
Copper (Cu), % 0.1 to 0.8
0
Iron (Fe), % 62.6 to 70.2
58.1 to 62.8
Manganese (Mn), % 2.5 to 4.0
0 to 1.1
Molybdenum (Mo), % 1.0 to 2.0
0.8 to 1.2
Nickel (Ni), % 3.0 to 4.5
7.0 to 8.2
Nitrogen (N), % 0.2 to 0.3
0.3 to 0.4
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.7
0 to 0.5
Sulfur (S), % 0 to 0.0050
0 to 0.010
Tungsten (W), % 0
2.1 to 2.5