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ASTM A182 Grade F3VCb vs. SAE-AISI A7 Steel

Both ASTM A182 grade F3VCb and SAE-AISI A7 steel are iron alloys. They have 90% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, 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 A7 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
72
Tensile Strength: Ultimate (UTS), MPa 670
800 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1470
1470
Melting Onset (Solidus), °C 1430
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
37
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
10
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.4
13
Embodied Energy, MJ/kg 33
200
Embodied Water, L/kg 64
100

Common Calculations

PREN (Pitting Resistance) 6.3
11
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
29 to 77
Strength to Weight: Bending, points 22
25 to 48
Thermal Diffusivity, mm2/s 11
10
Thermal Shock Resistance, points 19
27 to 72

Alloy Composition

Calcium (Ca), % 0.00050 to 0.015
0
Carbon (C), % 0.1 to 0.15
2.0 to 2.9
Chromium (Cr), % 2.7 to 3.3
5.0 to 5.8
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 93.8 to 95.8
81.4 to 87.7
Manganese (Mn), % 0.3 to 0.6
0 to 0.8
Molybdenum (Mo), % 0.9 to 1.1
0.9 to 1.4
Nickel (Ni), % 0 to 0.25
0 to 0.3
Niobium (Nb), % 0.015 to 0.070
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 0.015
0
Tungsten (W), % 0
0.5 to 1.5
Vanadium (V), % 0.2 to 0.3
3.9 to 5.2