ASTM F15 Fe-Ni-Co vs. AWS BVAg-8b

ASTM F15 Fe-Ni-Co 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 (10, in this case) are not shown.

For each property being compared, the top bar is ASTM F15 Fe-Ni-Co and the bottom bar is AWS BVAg-8b.

ASTM F15 (1.3981, K94610) Fe-Ni-Co Sealing Alloy AWS BVAg-8b (P07728) Vacuum Service Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		84

Poisson's Ratio		0.3
Poisson's Ratio		0.36

Shear Modulus, GPa		73
Shear Modulus, GPa		31

Tensile Strength: Ultimate (UTS), MPa		520 to 880
Tensile Strength: Ultimate (UTS), MPa		170

Thermal Properties

Latent Heat of Fusion, J/g		270
Latent Heat of Fusion, J/g		140

Melting Completion (Liquidus), °C		1410
Melting Completion (Liquidus), °C		800

Melting Onset (Solidus), °C		1450
Melting Onset (Solidus), °C		780

Specific Heat Capacity, J/kg-K		460
Specific Heat Capacity, J/kg-K		280

Thermal Expansion, µm/m-K		6.0
Thermal Expansion, µm/m-K		19

Otherwise Unclassified Properties

Density, g/cm³		8.3
Density, g/cm³		10

Common Calculations

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		4.7

Stiffness to Weight: Bending, points		23
Stiffness to Weight: Bending, points		15

Strength to Weight: Axial, points		17 to 29
Strength to Weight: Axial, points		4.7

Strength to Weight: Bending, points		17 to 24
Strength to Weight: Bending, points		6.8

Thermal Shock Resistance, points		32 to 55
Thermal Shock Resistance, points		7.6

Alloy Composition

Aluminum (Al), %		0 to 0.1
Aluminum (Al), %		0

Cadmium (Cd), %		0
Cadmium (Cd), %		0 to 0.0010

Carbon (C), %		0 to 0.040
Carbon (C), %		0 to 0.0050

Chromium (Cr), %		0 to 0.2
Chromium (Cr), %		0

Cobalt (Co), %		16 to 18
Cobalt (Co), %		0

Copper (Cu), %		0 to 0.2
Copper (Cu), %		26.8 to 29.2

Iron (Fe), %		50.3 to 56
Iron (Fe), %		0

Lead (Pb), %		0
Lead (Pb), %		0 to 0.0020

Magnesium (Mg), %		0 to 0.1
Magnesium (Mg), %		0

Manganese (Mn), %		0 to 0.5
Manganese (Mn), %		0

Molybdenum (Mo), %		0 to 0.2
Molybdenum (Mo), %		0

Nickel (Ni), %		28 to 30
Nickel (Ni), %		0.3 to 0.7

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.0020

Silicon (Si), %		0 to 0.2
Silicon (Si), %		0

Silver (Ag), %		0
Silver (Ag), %		70.5 to 72.5

Titanium (Ti), %		0 to 0.1
Titanium (Ti), %		0

Zinc (Zn), %		0
Zinc (Zn), %		0 to 0.0010

Zirconium (Zr), %		0 to 0.1
Zirconium (Zr), %		0