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EN 1.4361 Stainless Steel vs. S44401 Stainless Steel

Both EN 1.4361 stainless steel and S44401 stainless steel are iron alloys. They have 81% 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 1.4361 stainless steel and the bottom bar is S44401 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 43
21
Fatigue Strength, MPa 220
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
78
Shear Strength, MPa 440
300
Tensile Strength: Ultimate (UTS), MPa 630
480
Tensile Strength: Yield (Proof), MPa 250
300

Thermal Properties

Latent Heat of Fusion, J/g 350
280
Maximum Temperature: Corrosion, °C 410
510
Maximum Temperature: Mechanical, °C 940
930
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 14
22
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 19
12
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.6
2.9
Embodied Energy, MJ/kg 52
40
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 19
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
90
Resilience: Unit (Modulus of Resilience), kJ/m3 160
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
17
Strength to Weight: Bending, points 21
18
Thermal Diffusivity, mm2/s 3.7
5.9
Thermal Shock Resistance, points 15
17

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.025
Chromium (Cr), % 16.5 to 18.5
17.5 to 19.5
Iron (Fe), % 58.7 to 65.8
75.1 to 80.6
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.2
1.8 to 2.5
Nickel (Ni), % 14 to 16
0 to 1.0
Nitrogen (N), % 0 to 0.1
0 to 0.035
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 3.7 to 4.5
0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0
0.2 to 0.8