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SAE-AISI 4150 Steel vs. EN 1.6368 Steel

Both SAE-AISI 4150 steel and EN 1.6368 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 4150 steel and the bottom bar is EN 1.6368 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 380
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 20
18
Fatigue Strength, MPa 260 to 780
310 to 330
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 410 to 800
410 to 430
Tensile Strength: Ultimate (UTS), MPa 660 to 1310
660 to 690
Tensile Strength: Yield (Proof), MPa 380 to 1220
460 to 490

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
410
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 42
40
Thermal Expansion, µm/m-K 13
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 2.4
3.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.7
Embodied Energy, MJ/kg 20
22
Embodied Water, L/kg 51
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82 to 180
110
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 3930
580 to 650
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 47
23 to 24
Strength to Weight: Bending, points 22 to 34
21 to 22
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 19 to 39
20

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.040
Carbon (C), % 0.48 to 0.53
0 to 0.17
Chromium (Cr), % 0.8 to 1.1
0 to 0.3
Copper (Cu), % 0
0.5 to 0.8
Iron (Fe), % 96.7 to 97.7
95.1 to 97.2
Manganese (Mn), % 0.75 to 1.0
0.8 to 1.2
Molybdenum (Mo), % 0.15 to 0.25
0.25 to 0.5
Nickel (Ni), % 0
1.0 to 1.3
Niobium (Nb), % 0
0.015 to 0.045
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0.25 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.010

Comparable Variants