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EN 1.3961 Alloy vs. S45503 Stainless Steel

Both EN 1.3961 alloy and S45503 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.3961 alloy and the bottom bar is S45503 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 31
4.6 to 6.8
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
75
Shear Strength, MPa 300
940 to 1070
Tensile Strength: Ultimate (UTS), MPa 450
1610 to 1850
Tensile Strength: Yield (Proof), MPa 310
1430 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 1.3
11

Otherwise Unclassified Properties

Base Metal Price, % relative 25
15
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 4.8
3.4
Embodied Energy, MJ/kg 66
48
Embodied Water, L/kg 110
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
82 to 110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 15
57 to 65
Strength to Weight: Bending, points 16
39 to 43
Thermal Shock Resistance, points 130
56 to 64

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.010
Chromium (Cr), % 0 to 0.25
11 to 12.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 60.7 to 65
72.4 to 78.9
Manganese (Mn), % 0 to 0.5
0 to 0.5
Molybdenum (Mo), % 0 to 1.0
0 to 0.5
Nickel (Ni), % 35 to 37
7.5 to 9.5
Niobium (Nb), % 0
0.1 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0 to 0.5
0 to 0.2
Sulfur (S), % 0 to 0.020
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.4