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SAE-AISI 4720 Steel vs. SAE-AISI 1060 Steel

Both SAE-AISI 4720 steel and SAE-AISI 1060 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 4720 steel and the bottom bar is SAE-AISI 1060 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
180 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
10 to 13
Fatigue Strength, MPa 260
260 to 340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 310
370 to 450
Tensile Strength: Ultimate (UTS), MPa 490
620 to 740
Tensile Strength: Yield (Proof), MPa 350
400 to 540

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
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 39
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
9.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
11

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.4
Embodied Energy, MJ/kg 21
19
Embodied Water, L/kg 50
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
58 to 82
Resilience: Unit (Modulus of Resilience), kJ/m3 330
430 to 790
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
22 to 26
Strength to Weight: Bending, points 18
21 to 23
Thermal Diffusivity, mm2/s 10
14
Thermal Shock Resistance, points 14
20 to 24

Alloy Composition

Carbon (C), % 0.17 to 0.22
0.55 to 0.65
Chromium (Cr), % 0.35 to 0.55
0
Iron (Fe), % 96.7 to 97.8
98.4 to 98.9
Manganese (Mn), % 0.5 to 0.7
0.6 to 0.9
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.9 to 1.2
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