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EN 1.3963 Alloy vs. S39274 Stainless Steel

Both EN 1.3963 alloy and S39274 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 (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.3963 alloy and the bottom bar is S39274 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 29
17
Poisson's Ratio 0.3
0.27
Shear Modulus, GPa 72
81
Shear Strength, MPa 290
560
Tensile Strength: Ultimate (UTS), MPa 440
900
Tensile Strength: Yield (Proof), MPa 310
620

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1430
1480
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 1.6
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
24
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 4.8
4.3
Embodied Energy, MJ/kg 66
60
Embodied Water, L/kg 110
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
140
Resilience: Unit (Modulus of Resilience), kJ/m3 260
940
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
32
Strength to Weight: Bending, points 16
26
Thermal Shock Resistance, points 110
25

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 0 to 0.25
24 to 26
Copper (Cu), % 0
0.2 to 0.8
Iron (Fe), % 60.5 to 64.9
57 to 65.6
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 0 to 1.0
2.5 to 3.5
Nickel (Ni), % 35 to 37
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.8
Sulfur (S), % 0.1 to 0.2
0 to 0.020
Tungsten (W), % 0
1.5 to 2.5