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SAE-AISI 4161 Steel vs. EN 1.6553 Steel

Both SAE-AISI 4161 steel and EN 1.6553 steel are iron alloys. Their average alloy composition is basically identical. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 4161 steel and the bottom bar is EN 1.6553 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
210 to 240
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
19 to 21
Fatigue Strength, MPa 290
330 to 460
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 680
710 to 800
Tensile Strength: Yield (Proof), MPa 410
470 to 670

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
420
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 43
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
2.7
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.6
Embodied Energy, MJ/kg 20
21
Embodied Water, L/kg 50
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
130 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 460
600 to 1190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
25 to 28
Strength to Weight: Bending, points 22
23 to 24
Thermal Diffusivity, mm2/s 12
10
Thermal Shock Resistance, points 22
21 to 23

Alloy Composition

Carbon (C), % 0.56 to 0.64
0.23 to 0.28
Chromium (Cr), % 0.7 to 0.9
0.4 to 0.8
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 96.7 to 97.6
95.6 to 98.2
Manganese (Mn), % 0.75 to 1.0
0.6 to 1.0
Molybdenum (Mo), % 0.25 to 0.35
0.15 to 0.3
Nickel (Ni), % 0
0.4 to 0.8
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0.15 to 0.35
0 to 0.8
Sulfur (S), % 0 to 0.040
0 to 0.025
Vanadium (V), % 0
0 to 0.030