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EN 1.3963 Alloy vs. S44725 Stainless Steel

Both EN 1.3963 alloy and S44725 stainless steel are iron alloys. They have 64% 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 1.3963 alloy and the bottom bar is S44725 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 29
22
Poisson's Ratio 0.3
0.27
Shear Modulus, GPa 72
81
Shear Strength, MPa 290
320
Tensile Strength: Ultimate (UTS), MPa 440
500
Tensile Strength: Yield (Proof), MPa 310
310

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 1.6
11

Otherwise Unclassified Properties

Base Metal Price, % relative 25
15
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 4.8
3.1
Embodied Energy, MJ/kg 66
44
Embodied Water, L/kg 110
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
99
Resilience: Unit (Modulus of Resilience), kJ/m3 260
240
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
18
Strength to Weight: Bending, points 16
18
Thermal Shock Resistance, points 110
16

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.015
Chromium (Cr), % 0 to 0.25
25 to 28.5
Iron (Fe), % 60.5 to 64.9
67.6 to 73.5
Manganese (Mn), % 0 to 0.5
0 to 0.4
Molybdenum (Mo), % 0 to 1.0
1.5 to 2.5
Nickel (Ni), % 35 to 37
0 to 0.3
Niobium (Nb), % 0
0 to 0.26
Nitrogen (N), % 0
0 to 0.018
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.040
Sulfur (S), % 0.1 to 0.2
0 to 0.020
Titanium (Ti), % 0
0 to 0.26