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S31655 Stainless Steel vs. EN 1.3961 Alloy

Both S31655 stainless steel and EN 1.3961 alloy are iron alloys. They have 73% 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 S31655 stainless steel and the bottom bar is EN 1.3961 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
31
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 78
72
Shear Strength, MPa 490
300
Tensile Strength: Ultimate (UTS), MPa 710
450
Tensile Strength: Yield (Proof), MPa 350
310

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 16
1.3

Otherwise Unclassified Properties

Base Metal Price, % relative 17
25
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 3.3
4.8
Embodied Energy, MJ/kg 46
66
Embodied Water, L/kg 160
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
130
Resilience: Unit (Modulus of Resilience), kJ/m3 310
250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25
15
Strength to Weight: Bending, points 23
16
Thermal Shock Resistance, points 16
130

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 19.5 to 21.5
0 to 0.25
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 63.2 to 71.9
60.7 to 65
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0.5 to 1.5
0 to 1.0
Nickel (Ni), % 8.0 to 9.5
35 to 37
Nitrogen (N), % 0.14 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.020