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SAE-AISI 12L14 Steel vs. SAE-AISI 4620 Steel

Both SAE-AISI 12L14 steel and SAE-AISI 4620 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 12L14 steel and the bottom bar is SAE-AISI 4620 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 170
150 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 25
16 to 27
Fatigue Strength, MPa 190 to 290
260 to 360
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 280 to 370
320 to 420
Tensile Strength: Ultimate (UTS), MPa 440 to 620
490 to 680
Tensile Strength: Yield (Proof), MPa 260 to 460
350 to 550

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
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 51
47
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
3.2
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.6
Embodied Energy, MJ/kg 18
22
Embodied Water, L/kg 47
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64 to 93
100 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 560
330 to 800
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 15 to 22
17 to 24
Strength to Weight: Bending, points 16 to 20
18 to 22
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 14 to 20
15 to 20

Alloy Composition

Carbon (C), % 0 to 0.15
0.17 to 0.22
Iron (Fe), % 97.9 to 98.7
96.4 to 97.4
Lead (Pb), % 0.15 to 0.35
0
Manganese (Mn), % 0.85 to 1.2
0.45 to 0.65
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 0
1.7 to 2.0
Phosphorus (P), % 0.040 to 0.090
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0.26 to 0.35
0 to 0.040

Comparable Variants