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EN 1.3963 Alloy vs. AISI 440A Stainless Steel

Both EN 1.3963 alloy and AISI 440A stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.3963 alloy and the bottom bar is AISI 440A stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 29
5.0 to 20
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
77
Shear Strength, MPa 290
450 to 1040
Tensile Strength: Ultimate (UTS), MPa 440
730 to 1790
Tensile Strength: Yield (Proof), MPa 310
420 to 1650

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1430
1480
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 1.6
10

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.0
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 4.8
2.2
Embodied Energy, MJ/kg 66
31
Embodied Water, L/kg 110
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
87 to 120
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
26 to 65
Strength to Weight: Bending, points 16
23 to 43
Thermal Shock Resistance, points 110
26 to 65

Alloy Composition

Carbon (C), % 0 to 0.050
0.6 to 0.75
Chromium (Cr), % 0 to 0.25
16 to 18
Iron (Fe), % 60.5 to 64.9
78.4 to 83.4
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 0 to 1.0
0 to 0.75
Nickel (Ni), % 35 to 37
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0.1 to 0.2
0 to 0.015