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EN 1.3963 Alloy vs. SAE-AISI 1140 Steel

Both EN 1.3963 alloy and SAE-AISI 1140 steel are iron alloys. They have 63% of their average alloy composition in common. There are 24 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 1.3963 alloy and the bottom bar is SAE-AISI 1140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 29
14 to 18
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 72
72
Shear Strength, MPa 290
370 to 420
Tensile Strength: Ultimate (UTS), MPa 440
600 to 700
Tensile Strength: Yield (Proof), MPa 310
340 to 570

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 1.6
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
1.8
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.8
1.4
Embodied Energy, MJ/kg 66
18
Embodied Water, L/kg 110
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
89 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 260
310 to 870
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 15
21 to 25
Strength to Weight: Bending, points 16
20 to 22
Thermal Shock Resistance, points 110
18 to 21

Alloy Composition

Carbon (C), % 0 to 0.050
0.37 to 0.44
Chromium (Cr), % 0 to 0.25
0
Iron (Fe), % 60.5 to 64.9
98.4 to 98.9
Manganese (Mn), % 0 to 0.5
0.7 to 1.0
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 35 to 37
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0.1 to 0.2
0.080 to 0.13