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EN 1.4406 Stainless Steel vs. S20433 Stainless Steel

Both EN 1.4406 stainless steel and S20433 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 33 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 1.4406 stainless steel and the bottom bar is S20433 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 42
46
Fatigue Strength, MPa 280
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 470
440
Tensile Strength: Ultimate (UTS), MPa 680
630
Tensile Strength: Yield (Proof), MPa 320
270

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 950
900
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 18
13
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.7
2.7
Embodied Energy, MJ/kg 51
39
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 28
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
230
Resilience: Unit (Modulus of Resilience), kJ/m3 260
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
23
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 15
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 16.5 to 18.5
17 to 18
Copper (Cu), % 0
1.5 to 3.5
Iron (Fe), % 63.2 to 71.4
64.1 to 72.4
Manganese (Mn), % 0 to 2.0
5.5 to 7.5
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 10 to 12.5
3.5 to 5.5
Nitrogen (N), % 0.12 to 0.22
0.1 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030