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EN 1.5113 Steel vs. SAE-AISI 4161 Steel

Both EN 1.5113 steel and SAE-AISI 4161 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 EN 1.5113 steel and the bottom bar is SAE-AISI 4161 steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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