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EN 1.3963 Alloy vs. S31100 Stainless Steel

Both EN 1.3963 alloy and S31100 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.3963 alloy and the bottom bar is S31100 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 29
4.5
Poisson's Ratio 0.3
0.27
Shear Modulus, GPa 72
79
Shear Strength, MPa 290
580
Tensile Strength: Ultimate (UTS), MPa 440
1000
Tensile Strength: Yield (Proof), MPa 310
710

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 1.6
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
16
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 4.8
3.1
Embodied Energy, MJ/kg 66
44
Embodied Water, L/kg 110
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
40
Resilience: Unit (Modulus of Resilience), kJ/m3 260
1240
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
36
Strength to Weight: Bending, points 16
29
Thermal Shock Resistance, points 110
28

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.060
Chromium (Cr), % 0 to 0.25
25 to 27
Iron (Fe), % 60.5 to 64.9
63.6 to 69
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 35 to 37
6.0 to 7.0
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0.1 to 0.2
0 to 0.030
Titanium (Ti), % 0
0 to 0.25