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EN 1.4468 Stainless Steel vs. S20432 Stainless Steel

Both EN 1.4468 stainless steel and S20432 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4468 stainless steel and the bottom bar is S20432 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
45
Fatigue Strength, MPa 380
210
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 730
580
Tensile Strength: Yield (Proof), MPa 550
230

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
900
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 19
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.8
2.7
Embodied Energy, MJ/kg 53
38
Embodied Water, L/kg 180
140

Common Calculations

PREN (Pitting Resistance) 38
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
210
Resilience: Unit (Modulus of Resilience), kJ/m3 730
140
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 4.6
4.0
Thermal Shock Resistance, points 20
13

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 24.5 to 26.5
17 to 18
Copper (Cu), % 0
2.0 to 3.0
Iron (Fe), % 59.7 to 67.4
66.7 to 74
Manganese (Mn), % 0 to 2.0
3.0 to 5.0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 5.5 to 7.0
4.0 to 6.0
Nitrogen (N), % 0.12 to 0.25
0.050 to 0.2
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030