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ASTM A182 Grade F122 vs. AWS BVAg-8b

ASTM A182 grade F122 belongs to the iron alloys classification, while AWS BVAg-8b belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.

For each property being compared, the top bar is ASTM A182 grade F122 and the bottom bar is AWS BVAg-8b.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
84
Poisson's Ratio 0.28
0.36
Shear Modulus, GPa 76
31
Tensile Strength: Ultimate (UTS), MPa 710
170

Thermal Properties

Latent Heat of Fusion, J/g 270
140
Melting Completion (Liquidus), °C 1490
800
Melting Onset (Solidus), °C 1440
780
Specific Heat Capacity, J/kg-K 470
280
Thermal Expansion, µm/m-K 13
19

Otherwise Unclassified Properties

Density, g/cm3 8.0
10

Common Calculations

Stiffness to Weight: Axial, points 14
4.7
Stiffness to Weight: Bending, points 24
15
Strength to Weight: Axial, points 25
4.7
Strength to Weight: Bending, points 22
6.8
Thermal Shock Resistance, points 19
7.6

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0 to 0.0050
0
Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0.070 to 0.14
0 to 0.0050
Chromium (Cr), % 10 to 11.5
0
Copper (Cu), % 0.3 to 1.7
26.8 to 29.2
Iron (Fe), % 81.3 to 87.7
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0 to 0.7
0
Molybdenum (Mo), % 0.25 to 0.6
0
Nickel (Ni), % 0 to 0.5
0.3 to 0.7
Niobium (Nb), % 0.040 to 0.1
0
Nitrogen (N), % 0.040 to 0.1
0
Phosphorus (P), % 0 to 0.020
0 to 0.0020
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
70.5 to 72.5
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.5
0
Vanadium (V), % 0.15 to 0.3
0
Zinc (Zn), % 0
0 to 0.0010
Zirconium (Zr), % 0 to 0.010
0