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SAE-AISI 4161 Steel vs. EN 1.5113 Steel

Both SAE-AISI 4161 steel and EN 1.5113 steel are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI 4161 steel and the bottom bar is EN 1.5113 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
170 to 270
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
11 to 18
Fatigue Strength, MPa 290
220 to 470
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 420
360 to 540
Tensile Strength: Ultimate (UTS), MPa 680
580 to 900
Tensile Strength: Yield (Proof), MPa 410
320 to 770

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 420
400
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 43
52
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
2.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 50
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
91 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 460
270 to 1570
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
21 to 32
Strength to Weight: Bending, points 22
20 to 27
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 22
17 to 26

Alloy Composition

Carbon (C), % 0.56 to 0.64
0 to 0.1
Chromium (Cr), % 0.7 to 0.9
0
Iron (Fe), % 96.7 to 97.6
97 to 97.5
Manganese (Mn), % 0.75 to 1.0
1.6 to 1.8
Molybdenum (Mo), % 0.25 to 0.35
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0.9 to 1.1
Sulfur (S), % 0 to 0.040
0 to 0.025