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EN 1.4872 Stainless Steel vs. S44401 Stainless Steel

Both EN 1.4872 stainless steel and S44401 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4872 stainless steel and the bottom bar is S44401 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
21
Fatigue Strength, MPa 410
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
78
Shear Strength, MPa 620
300
Tensile Strength: Ultimate (UTS), MPa 950
480
Tensile Strength: Yield (Proof), MPa 560
300

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 440
510
Maximum Temperature: Mechanical, °C 1150
930
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 15
22
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 17
12
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.3
2.9
Embodied Energy, MJ/kg 47
40
Embodied Water, L/kg 180
130

Common Calculations

PREN (Pitting Resistance) 30
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
90
Resilience: Unit (Modulus of Resilience), kJ/m3 780
230
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 35
17
Strength to Weight: Bending, points 28
18
Thermal Diffusivity, mm2/s 3.9
5.9
Thermal Shock Resistance, points 21
17

Alloy Composition

Carbon (C), % 0.2 to 0.3
0 to 0.025
Chromium (Cr), % 24 to 26
17.5 to 19.5
Iron (Fe), % 54.2 to 61.6
75.1 to 80.6
Manganese (Mn), % 8.0 to 10
0 to 1.0
Molybdenum (Mo), % 0
1.8 to 2.5
Nickel (Ni), % 6.0 to 8.0
0 to 1.0
Nitrogen (N), % 0.2 to 0.4
0 to 0.035
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0.2 to 0.8