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SAE-AISI 1065 Steel vs. SAE-AISI 4615 Steel

Both SAE-AISI 1065 steel and SAE-AISI 4615 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 1065 steel and the bottom bar is SAE-AISI 4615 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 230
150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 14
27
Fatigue Strength, MPa 270 to 340
260
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 430 to 470
310
Tensile Strength: Ultimate (UTS), MPa 710 to 780
480
Tensile Strength: Yield (Proof), MPa 430 to 550
350

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 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
3.2
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.6
Embodied Energy, MJ/kg 19
22
Embodied Water, L/kg 46
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 90
120
Resilience: Unit (Modulus of Resilience), kJ/m3 490 to 820
320
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 28
17
Strength to Weight: Bending, points 23 to 24
17
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 25 to 27
16

Alloy Composition

Carbon (C), % 0.6 to 0.7
0.13 to 0.18
Iron (Fe), % 98.3 to 98.8
96.4 to 97.4
Manganese (Mn), % 0.6 to 0.9
0.45 to 0.65
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 0
1.7 to 2.0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0 to 0.050
0 to 0.040