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ASTM A369 Grade FP9 vs. AWS BVAg-0

ASTM A369 grade FP9 belongs to the iron alloys classification, while AWS BVAg-0 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP9 and the bottom bar is AWS BVAg-0.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
71
Poisson's Ratio 0.28
0.37
Shear Modulus, GPa 75
26
Tensile Strength: Ultimate (UTS), MPa 470
130

Thermal Properties

Latent Heat of Fusion, J/g 270
110
Melting Completion (Liquidus), °C 1450
960
Melting Onset (Solidus), °C 1410
960
Specific Heat Capacity, J/kg-K 480
240
Thermal Expansion, µm/m-K 13
20

Otherwise Unclassified Properties

Density, g/cm3 7.8
10

Common Calculations

Stiffness to Weight: Axial, points 14
3.8
Stiffness to Weight: Bending, points 25
13
Strength to Weight: Axial, points 17
3.4
Strength to Weight: Bending, points 17
5.4
Thermal Shock Resistance, points 13
6.6

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0 to 0.15
0 to 0.0050
Chromium (Cr), % 8.0 to 10
0
Copper (Cu), % 0
0 to 0.050
Iron (Fe), % 87.1 to 90.3
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.9 to 1.1
0
Phosphorus (P), % 0 to 0.030
0 to 0.0020
Silicon (Si), % 0.5 to 1.0
0
Silver (Ag), % 0
99.95 to 100
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.0010