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EN 1.4435 Stainless Steel vs. S32950 Stainless Steel

Both EN 1.4435 stainless steel and S32950 stainless steel are iron alloys. They have 89% 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 1.4435 stainless steel and the bottom bar is S32950 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 43
17
Fatigue Strength, MPa 220
330
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
80
Shear Strength, MPa 420
480
Tensile Strength: Ultimate (UTS), MPa 610
780
Tensile Strength: Yield (Proof), MPa 240
550

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 420
460
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 21
17
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.1
3.4
Embodied Energy, MJ/kg 57
47
Embodied Water, L/kg 160
180

Common Calculations

PREN (Pitting Resistance) 28
37
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
120
Resilience: Unit (Modulus of Resilience), kJ/m3 150
730
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
28
Strength to Weight: Bending, points 20
24
Thermal Diffusivity, mm2/s 4.0
4.3
Thermal Shock Resistance, points 14
21

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 17 to 19
26 to 29
Iron (Fe), % 59.8 to 68
60.3 to 69.4
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.5 to 3.0
1.0 to 2.5
Nickel (Ni), % 12.5 to 15
3.5 to 5.2
Nitrogen (N), % 0 to 0.1
0.15 to 0.35
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.010