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S31277 Stainless Steel vs. EN 1.3963 Alloy

Both S31277 stainless steel and EN 1.3963 alloy are iron alloys. They have 69% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S31277 stainless steel and the bottom bar is EN 1.3963 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
29
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 80
72
Shear Strength, MPa 600
290
Tensile Strength: Ultimate (UTS), MPa 860
440
Tensile Strength: Yield (Proof), MPa 410
310

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 460
460
Thermal Expansion, µm/m-K 16
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 36
25
Density, g/cm3 8.1
8.2
Embodied Carbon, kg CO2/kg material 6.7
4.8
Embodied Energy, MJ/kg 90
66
Embodied Water, L/kg 220
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
110
Resilience: Unit (Modulus of Resilience), kJ/m3 410
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 29
15
Strength to Weight: Bending, points 25
16
Thermal Shock Resistance, points 19
110

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.050
Chromium (Cr), % 20.5 to 23
0 to 0.25
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 35.5 to 46.2
60.5 to 64.9
Manganese (Mn), % 0 to 3.0
0 to 0.5
Molybdenum (Mo), % 6.5 to 8.0
0 to 1.0
Nickel (Ni), % 26 to 28
35 to 37
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.010
0.1 to 0.2