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EN 1.4432 Stainless Steel vs. S44635 Stainless Steel

Both EN 1.4432 stainless steel and S44635 stainless steel are iron alloys. They have a moderately high 90% 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 1.4432 stainless steel and the bottom bar is S44635 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
240
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 44
23
Fatigue Strength, MPa 220
390
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
81
Shear Strength, MPa 420
450
Tensile Strength: Ultimate (UTS), MPa 610
710
Tensile Strength: Yield (Proof), MPa 250
580

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
610
Maximum Temperature: Mechanical, °C 960
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 19
22
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.9
4.4
Embodied Energy, MJ/kg 54
62
Embodied Water, L/kg 150
170

Common Calculations

PREN (Pitting Resistance) 27
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
150
Resilience: Unit (Modulus of Resilience), kJ/m3 150
810
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
25
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 4.0
4.4
Thermal Shock Resistance, points 14
23

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.025
Chromium (Cr), % 16.5 to 18.5
24.5 to 26
Iron (Fe), % 62.3 to 70.5
61.5 to 68.5
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.0
3.5 to 4.5
Nickel (Ni), % 10.5 to 13
3.5 to 4.5
Niobium (Nb), % 0
0.2 to 0.8
Nitrogen (N), % 0 to 0.1
0 to 0.035
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0.2 to 0.8