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S20431 Stainless Steel vs. EN 1.4606 Stainless Steel

Both S20431 stainless steel and EN 1.4606 stainless steel are iron alloys. They have 74% 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 S20431 stainless steel and the bottom bar is EN 1.4606 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 46
23 to 39
Fatigue Strength, MPa 320
240 to 420
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
75
Shear Strength, MPa 500
410 to 640
Tensile Strength: Ultimate (UTS), MPa 710
600 to 1020
Tensile Strength: Yield (Proof), MPa 350
280 to 630

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
770
Maximum Temperature: Mechanical, °C 890
910
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1360
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 12
26
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.5
6.0
Embodied Energy, MJ/kg 36
87
Embodied Water, L/kg 140
170

Common Calculations

PREN (Pitting Resistance) 20
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
190 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 310
200 to 1010
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
21 to 36
Strength to Weight: Bending, points 23
20 to 28
Thermal Diffusivity, mm2/s 4.0
3.7
Thermal Shock Resistance, points 15
21 to 35

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0 to 0.12
0 to 0.080
Chromium (Cr), % 17 to 18
13 to 16
Copper (Cu), % 1.5 to 3.5
0
Iron (Fe), % 66.1 to 74.4
49.2 to 59
Manganese (Mn), % 5.0 to 7.0
1.0 to 2.0
Molybdenum (Mo), % 0
1.0 to 1.5
Nickel (Ni), % 2.0 to 4.0
24 to 27
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
1.9 to 2.3
Vanadium (V), % 0
0.1 to 0.5