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EN 1.3961 Alloy vs. SAE-AISI 1040 Steel

Both EN 1.3961 alloy and SAE-AISI 1040 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 1.3961 alloy and the bottom bar is SAE-AISI 1040 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 31
13 to 20
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 300
350 to 390
Tensile Strength: Ultimate (UTS), MPa 450
570 to 640
Tensile Strength: Yield (Proof), MPa 310
320 to 530

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 1.3
12

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 130
79 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 250
270 to 760
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 15
20 to 23
Strength to Weight: Bending, points 16
19 to 21
Thermal Shock Resistance, points 130
18 to 20

Alloy Composition

Carbon (C), % 0 to 0.050
0.37 to 0.44
Chromium (Cr), % 0 to 0.25
0
Iron (Fe), % 60.7 to 65
98.6 to 99.03
Manganese (Mn), % 0 to 0.5
0.6 to 0.9
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 to 0.020
0 to 0.050