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EN 1.3961 Alloy vs. SAE-AISI 1141 Steel

Both EN 1.3961 alloy and SAE-AISI 1141 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 1141 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 31
11 to 17
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 72
72
Shear Strength, MPa 300
460 to 480
Tensile Strength: Ultimate (UTS), MPa 450
740 to 810
Tensile Strength: Yield (Proof), MPa 310
400 to 700

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
1.9
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.8
1.4
Embodied Energy, MJ/kg 66
19
Embodied Water, L/kg 110
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
86 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 250
430 to 1290
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 15
26 to 29
Strength to Weight: Bending, points 16
23 to 25
Thermal Shock Resistance, points 130
24 to 26

Alloy Composition

Carbon (C), % 0 to 0.050
0.37 to 0.45
Chromium (Cr), % 0 to 0.25
0
Iron (Fe), % 60.7 to 65
97.7 to 98.2
Manganese (Mn), % 0 to 0.5
1.4 to 1.7
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
0.080 to 0.13