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ASTM A369 Grade FP12 vs. AWS BVPd-1

ASTM A369 grade FP12 belongs to the iron alloys classification, while AWS BVPd-1 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 FP12 and the bottom bar is AWS BVPd-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
150
Poisson's Ratio 0.29
0.37
Shear Modulus, GPa 73
56
Tensile Strength: Ultimate (UTS), MPa 470
240

Thermal Properties

Latent Heat of Fusion, J/g 250
200
Melting Completion (Liquidus), °C 1470
1240
Melting Onset (Solidus), °C 1430
1230
Specific Heat Capacity, J/kg-K 470
310
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Density, g/cm3 7.9
11

Common Calculations

Stiffness to Weight: Axial, points 13
7.7
Stiffness to Weight: Bending, points 24
16
Strength to Weight: Axial, points 17
6.1
Strength to Weight: Bending, points 17
7.9
Thermal Shock Resistance, points 14
9.8

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0.050 to 0.15
0 to 0.0050
Chromium (Cr), % 0.8 to 1.3
0
Cobalt (Co), % 0
33.9 to 36
Iron (Fe), % 96.8 to 98.4
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0.3 to 0.61
0
Molybdenum (Mo), % 0.44 to 0.65
0
Nickel (Ni), % 0
0 to 0.060
Palladium (Pd), % 0
64 to 66
Phosphorus (P), % 0 to 0.025
0 to 0.0020
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.025
0
Zinc (Zn), % 0
0 to 0.0010