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EN 1.3961 Alloy vs. EN 1.4421 Stainless Steel

Both EN 1.3961 alloy and EN 1.4421 stainless steel are iron alloys. They have 69% of their average alloy composition in common. There are 23 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 1.4421 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 31
11 to 17
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 450
880 to 1100
Tensile Strength: Yield (Proof), MPa 310
620 to 950

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 1.3
10

Otherwise Unclassified Properties

Base Metal Price, % relative 25
12
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.8
2.6
Embodied Energy, MJ/kg 66
36
Embodied Water, L/kg 110
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 250
960 to 2270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
31 to 39
Strength to Weight: Bending, points 16
26 to 30
Thermal Shock Resistance, points 130
31 to 39

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.060
Chromium (Cr), % 0 to 0.25
15.5 to 17.5
Iron (Fe), % 60.7 to 65
74.4 to 80.5
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 0 to 1.0
0 to 0.7
Nickel (Ni), % 35 to 37
4.0 to 5.5
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.8
Sulfur (S), % 0 to 0.020
0 to 0.020