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EN 1.3961 Alloy vs. S39277 Stainless Steel

Both EN 1.3961 alloy and S39277 stainless steel 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 (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.3961 alloy and the bottom bar is S39277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 31
28
Poisson's Ratio 0.3
0.27
Shear Modulus, GPa 72
80
Shear Strength, MPa 300
600
Tensile Strength: Ultimate (UTS), MPa 450
930
Tensile Strength: Yield (Proof), MPa 310
660

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 1.3
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
23
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 4.8
4.2
Embodied Energy, MJ/kg 66
59
Embodied Water, L/kg 110
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
240
Resilience: Unit (Modulus of Resilience), kJ/m3 250
1070
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
33
Strength to Weight: Bending, points 16
27
Thermal Shock Resistance, points 130
26

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.025
Chromium (Cr), % 0 to 0.25
24 to 26
Copper (Cu), % 0
1.2 to 2.0
Iron (Fe), % 60.7 to 65
56.8 to 64.3
Manganese (Mn), % 0 to 0.5
0 to 0.8
Molybdenum (Mo), % 0 to 1.0
3.0 to 4.0
Nickel (Ni), % 35 to 37
6.5 to 8.0
Nitrogen (N), % 0
0.23 to 0.33
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.8
Sulfur (S), % 0 to 0.020
0 to 0.0020
Tungsten (W), % 0
0.8 to 1.2