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EN 1.7376 Steel vs. SAE-AISI 4150 Steel

Both EN 1.7376 steel and SAE-AISI 4150 steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. 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 EN 1.7376 steel and the bottom bar is SAE-AISI 4150 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
200 to 380
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
12 to 20
Fatigue Strength, MPa 320
260 to 780
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 710
660 to 1310
Tensile Strength: Yield (Proof), MPa 460
380 to 1220

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 600
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 26
42
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.1
1.5
Embodied Energy, MJ/kg 29
20
Embodied Water, L/kg 88
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
82 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 560
380 to 3930
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
24 to 47
Strength to Weight: Bending, points 23
22 to 34
Thermal Diffusivity, mm2/s 6.9
11
Thermal Shock Resistance, points 20
19 to 39

Alloy Composition

Carbon (C), % 0.12 to 0.19
0.48 to 0.53
Chromium (Cr), % 8.0 to 10
0.8 to 1.1
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 86.2 to 90.6
96.7 to 97.7
Manganese (Mn), % 0.35 to 0.65
0.75 to 1.0
Molybdenum (Mo), % 0.9 to 1.2
0.15 to 0.25
Nickel (Ni), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040
Vanadium (V), % 0 to 0.050
0