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ASTM A372 Grade L Steel vs. SAE-AISI 1065 Steel

Both ASTM A372 grade L steel and SAE-AISI 1065 steel are iron alloys. They have a very high 97% 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 ASTM A372 grade L steel and the bottom bar is SAE-AISI 1065 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
210 to 230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14
11 to 14
Fatigue Strength, MPa 670
270 to 340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 700
430 to 470
Tensile Strength: Ultimate (UTS), MPa 1160
710 to 780
Tensile Strength: Yield (Proof), MPa 1040
430 to 550

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 430
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 44
51
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
12

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.4
Embodied Energy, MJ/kg 22
19
Embodied Water, L/kg 54
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
74 to 90
Resilience: Unit (Modulus of Resilience), kJ/m3 2890
490 to 820
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 41
25 to 28
Strength to Weight: Bending, points 31
23 to 24
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 34
25 to 27

Alloy Composition

Carbon (C), % 0.38 to 0.43
0.6 to 0.7
Chromium (Cr), % 0.7 to 0.9
0
Iron (Fe), % 95.2 to 96.3
98.3 to 98.8
Manganese (Mn), % 0.6 to 0.8
0.6 to 0.9
Molybdenum (Mo), % 0.2 to 0.3
0
Nickel (Ni), % 1.7 to 2.0
0
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.010
0 to 0.050