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SAE-AISI 4150 Steel vs. SAE-AISI 1524 Steel

Both SAE-AISI 4150 steel and SAE-AISI 1524 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 SAE-AISI 1524 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 380
170 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 20
14 to 22
Fatigue Strength, MPa 260 to 780
230 to 340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 410 to 800
360 to 390
Tensile Strength: Ultimate (UTS), MPa 660 to 1310
570 to 650
Tensile Strength: Yield (Proof), MPa 380 to 1220
320 to 540

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
400
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
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
8.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
1.9
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 51
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82 to 180
84 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 3930
270 to 760
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 47
20 to 23
Strength to Weight: Bending, points 22 to 34
19 to 21
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 19 to 39
18 to 21

Alloy Composition

Carbon (C), % 0.48 to 0.53
0.19 to 0.25
Chromium (Cr), % 0.8 to 1.1
0
Iron (Fe), % 96.7 to 97.7
98 to 98.5
Manganese (Mn), % 0.75 to 1.0
1.4 to 1.7
Molybdenum (Mo), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0 to 0.050

Comparable Variants