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S17400 Stainless Steel vs. EN 1.3963 Alloy

Both S17400 stainless steel and EN 1.3963 alloy are iron alloys. They have 67% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is S17400 stainless steel and the bottom bar is EN 1.3963 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 21
29
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 75
72
Shear Strength, MPa 570 to 830
290
Tensile Strength: Ultimate (UTS), MPa 910 to 1390
440
Tensile Strength: Yield (Proof), MPa 580 to 1250
310

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 11
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 14
25
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.7
4.8
Embodied Energy, MJ/kg 39
66
Embodied Water, L/kg 130
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
110
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4060
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 32 to 49
15
Strength to Weight: Bending, points 27 to 35
16
Thermal Shock Resistance, points 30 to 46
110

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.050
Chromium (Cr), % 15 to 17
0 to 0.25
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 70.4 to 78.9
60.5 to 64.9
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 3.0 to 5.0
35 to 37
Niobium (Nb), % 0.15 to 0.45
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0.1 to 0.2