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ASTM A182 Grade F6b vs. AWS BVAg-31

ASTM A182 grade F6b belongs to the iron alloys classification, while AWS BVAg-31 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (20, in this case) are not shown.

For each property being compared, the top bar is ASTM A182 grade F6b and the bottom bar is AWS BVAg-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
90
Poisson's Ratio 0.28
0.36
Shear Modulus, GPa 76
33
Tensile Strength: Ultimate (UTS), MPa 850
180

Thermal Properties

Latent Heat of Fusion, J/g 280
150
Melting Completion (Liquidus), °C 1450
850
Melting Onset (Solidus), °C 1400
820
Specific Heat Capacity, J/kg-K 480
280
Thermal Expansion, µm/m-K 10
18

Otherwise Unclassified Properties

Density, g/cm3 7.8
10

Common Calculations

Stiffness to Weight: Axial, points 14
4.9
Stiffness to Weight: Bending, points 25
15
Strength to Weight: Axial, points 30
4.9
Strength to Weight: Bending, points 26
7.0
Thermal Shock Resistance, points 31
7.8

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0 to 0.15
0 to 0.0050
Chromium (Cr), % 11.5 to 13.5
0
Copper (Cu), % 0 to 0.5
31 to 33
Iron (Fe), % 81.2 to 87.1
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0.4 to 0.6
0
Nickel (Ni), % 1.0 to 2.0
0
Palladium (Pd), % 0
8.0 to 12
Phosphorus (P), % 0 to 0.020
0 to 0.0020
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
57 to 59
Sulfur (S), % 0 to 0.020
0
Zinc (Zn), % 0
0 to 0.0010