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EN 1.3961 Alloy vs. EN 1.4449 Stainless Steel

Both EN 1.3961 alloy and EN 1.4449 stainless steel are iron alloys. They have 76% 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 EN 1.4449 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 31
48
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
78
Shear Strength, MPa 300
440
Tensile Strength: Ultimate (UTS), MPa 450
620
Tensile Strength: Yield (Proof), MPa 310
250

Thermal Properties

Latent Heat of Fusion, J/g 270
290
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
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
19
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 4.8
3.9
Embodied Energy, MJ/kg 66
54
Embodied Water, L/kg 110
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
240
Resilience: Unit (Modulus of Resilience), kJ/m3 250
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
22
Strength to Weight: Bending, points 16
20
Thermal Shock Resistance, points 130
14

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.035
Chromium (Cr), % 0 to 0.25
17 to 18.2
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 60.7 to 65
62.4 to 69.3
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 0 to 1.0
2.3 to 2.8
Nickel (Ni), % 35 to 37
11.5 to 12.5
Nitrogen (N), % 0
0 to 0.080
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015