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

Both SAE-AISI 1065 steel and ASTM A372 grade J 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 ASTM A372 grade J steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 230
200 to 310
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 14
17 to 22
Fatigue Strength, MPa 270 to 340
310 to 570
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 430 to 470
410 to 630
Tensile Strength: Ultimate (UTS), MPa 710 to 780
650 to 1020
Tensile Strength: Yield (Proof), MPa 430 to 550
430 to 850

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
420
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
44
Thermal Expansion, µm/m-K 11
13

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
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 19
20
Embodied Water, L/kg 46
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 90
130 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 490 to 820
500 to 1930
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 28
23 to 36
Strength to Weight: Bending, points 23 to 24
21 to 29
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 25 to 27
19 to 30

Alloy Composition

Carbon (C), % 0.6 to 0.7
0.35 to 0.5
Chromium (Cr), % 0
0.8 to 1.2
Iron (Fe), % 98.3 to 98.8
96.7 to 97.8
Manganese (Mn), % 0.6 to 0.9
0.75 to 1.1
Molybdenum (Mo), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0 to 0.050
0 to 0.010

Comparable Variants