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ASTM A182 Grade F3VCb vs. SAE-AISI A9 Steel

Both ASTM A182 grade F3VCb and SAE-AISI A9 steel are iron alloys. They have a moderately high 94% 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 F3VCb and the bottom bar is SAE-AISI A9 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
74
Tensile Strength: Ultimate (UTS), MPa 670
770 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
35
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
7.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.4
4.7
Embodied Energy, MJ/kg 33
70
Embodied Water, L/kg 64
82

Common Calculations

PREN (Pitting Resistance) 6.3
10
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
28 to 73
Strength to Weight: Bending, points 22
24 to 46
Thermal Diffusivity, mm2/s 11
9.6
Thermal Shock Resistance, points 19
25 to 66

Alloy Composition

Calcium (Ca), % 0.00050 to 0.015
0
Carbon (C), % 0.1 to 0.15
0.45 to 0.55
Chromium (Cr), % 2.7 to 3.3
4.8 to 5.5
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 93.8 to 95.8
87 to 90.5
Manganese (Mn), % 0.3 to 0.6
0 to 0.5
Molybdenum (Mo), % 0.9 to 1.1
1.3 to 1.8
Nickel (Ni), % 0 to 0.25
1.3 to 1.8
Niobium (Nb), % 0.015 to 0.070
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.1
1.0 to 1.2
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 0.015
0
Vanadium (V), % 0.2 to 0.3
0.8 to 1.4