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ASTM A369 Grade FPB vs. AWS BVAg-29

ASTM A369 grade FPB belongs to the iron alloys classification, while AWS BVAg-29 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FPB and the bottom bar is AWS BVAg-29.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
73
Poisson's Ratio 0.29
0.37
Shear Modulus, GPa 73
27
Tensile Strength: Ultimate (UTS), MPa 470
180

Thermal Properties

Latent Heat of Fusion, J/g 250
120
Melting Completion (Liquidus), °C 1460
710
Melting Onset (Solidus), °C 1420
620
Specific Heat Capacity, J/kg-K 470
270
Thermal Expansion, µm/m-K 12
20

Otherwise Unclassified Properties

Density, g/cm3 7.8
9.7

Common Calculations

Stiffness to Weight: Axial, points 13
4.2
Stiffness to Weight: Bending, points 24
14
Strength to Weight: Axial, points 17
5.2
Strength to Weight: Bending, points 17
7.3
Thermal Shock Resistance, points 15
8.8

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0 to 0.3
0 to 0.0050
Copper (Cu), % 0
22.5 to 25.5
Indium (In), % 0
14 to 15
Iron (Fe), % 98.1 to 99.61
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0.29 to 1.1
0
Phosphorus (P), % 0 to 0.035
0 to 0.0020
Silicon (Si), % 0.1 to 0.5
0
Silver (Ag), % 0
60.5 to 62.5
Sulfur (S), % 0 to 0.035
0
Zinc (Zn), % 0
0 to 0.0010