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EN 1.3961 Alloy vs. S44401 Stainless Steel

Both EN 1.3961 alloy and S44401 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.3961 alloy 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, % 31
21
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
78
Shear Strength, MPa 300
300
Tensile Strength: Ultimate (UTS), MPa 450
480
Tensile Strength: Yield (Proof), MPa 310
300

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 1.3
10

Otherwise Unclassified Properties

Base Metal Price, % relative 25
12
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.8
2.9
Embodied Energy, MJ/kg 66
40
Embodied Water, L/kg 110
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
90
Resilience: Unit (Modulus of Resilience), kJ/m3 250
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
17
Strength to Weight: Bending, points 16
18
Thermal Shock Resistance, points 130
17

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.025
Chromium (Cr), % 0 to 0.25
17.5 to 19.5
Iron (Fe), % 60.7 to 65
75.1 to 80.6
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 0 to 1.0
1.8 to 2.5
Nickel (Ni), % 35 to 37
0 to 1.0
Nitrogen (N), % 0
0 to 0.035
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0
0.2 to 0.8