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EN 1.4621 Stainless Steel vs. S44535 Stainless Steel

Both EN 1.4621 stainless steel and S44535 stainless steel are iron alloys. They have a very high 98% 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 EN 1.4621 stainless steel and the bottom bar is S44535 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
28
Fatigue Strength, MPa 190
210
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 78
78
Shear Strength, MPa 320
290
Tensile Strength: Ultimate (UTS), MPa 500
450
Tensile Strength: Yield (Proof), MPa 270
290

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 510
450
Maximum Temperature: Mechanical, °C 970
1000
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 21
21
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 14
11
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.4
Embodied Energy, MJ/kg 41
34
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 21
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 190
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
16
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 5.7
5.6
Thermal Shock Resistance, points 17
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 20 to 21.5
20 to 24
Copper (Cu), % 0.1 to 1.0
0 to 0.5
Iron (Fe), % 74.4 to 79.7
73.2 to 79.6
Lanthanum (La), % 0
0.040 to 0.2
Manganese (Mn), % 0 to 1.0
0.3 to 0.8
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.020
Titanium (Ti), % 0
0.030 to 0.2