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ASTM A182 Grade F3V vs. SAE-AISI O7 Steel

Both ASTM A182 grade F3V and SAE-AISI O7 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ASTM A182 grade F3V and the bottom bar is SAE-AISI O7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 660
680 to 2110

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1470
1480
Melting Onset (Solidus), °C 1430
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
41
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 4.2
6.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.3
2.3
Embodied Energy, MJ/kg 33
33
Embodied Water, L/kg 63
52

Common Calculations

PREN (Pitting Resistance) 6.3
3.6
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23
24 to 74
Strength to Weight: Bending, points 21
22 to 46
Thermal Diffusivity, mm2/s 10
11
Thermal Shock Resistance, points 19
23 to 70

Alloy Composition

Boron (B), % 0.0010 to 0.0030
0
Carbon (C), % 0.050 to 0.18
1.1 to 1.3
Chromium (Cr), % 2.8 to 3.2
0.35 to 0.85
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 94.4 to 95.7
92.9 to 97.6
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
0 to 0.3
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 0.6
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0.015 to 0.035
0
Tungsten (W), % 0
1.0 to 2.0
Vanadium (V), % 0.2 to 0.3
0 to 0.4