AWS BVAg-31 vs. SAE-AISI M44 Steel

AWS BVAg-31 belongs to the otherwise unclassified metals classification, while SAE-AISI M44 steel belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-31 and the bottom bar is SAE-AISI M44 steel.

AWS BVAg-31 (P07587) Vacuum Service Filler Metal SAE-AISI M44 (T11344) Cobalt High-Speed Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		90
Elastic (Young's, Tensile) Modulus, GPa		200

Poisson's Ratio		0.36
Poisson's Ratio		0.29

Shear Modulus, GPa		33
Shear Modulus, GPa		78

Tensile Strength: Ultimate (UTS), MPa		180
Tensile Strength: Ultimate (UTS), MPa		870 to 2290

Thermal Properties

Latent Heat of Fusion, J/g		150
Latent Heat of Fusion, J/g		270

Melting Completion (Liquidus), °C		850
Melting Completion (Liquidus), °C		1590

Melting Onset (Solidus), °C		820
Melting Onset (Solidus), °C		1540

Specific Heat Capacity, J/kg-K		280
Specific Heat Capacity, J/kg-K		440

Thermal Expansion, µm/m-K		18
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Density, g/cm³		10
Density, g/cm³		8.4

Common Calculations

Stiffness to Weight: Axial, points		4.9
Stiffness to Weight: Axial, points		13

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

Strength to Weight: Axial, points		4.9
Strength to Weight: Axial, points		28 to 75

Strength to Weight: Bending, points		7.0
Strength to Weight: Bending, points		24 to 46

Thermal Shock Resistance, points		7.8
Thermal Shock Resistance, points		27 to 70

Alloy Composition

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

Carbon (C), %		0 to 0.0050
Carbon (C), %		1.1 to 1.2

Chromium (Cr), %		0
Chromium (Cr), %		4.0 to 4.8

Cobalt (Co), %		0
Cobalt (Co), %		11 to 12.3

Copper (Cu), %		31 to 33
Copper (Cu), %		0 to 0.25

Iron (Fe), %		0
Iron (Fe), %		65.3 to 70.6

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

Manganese (Mn), %		0
Manganese (Mn), %		0.2 to 0.4

Molybdenum (Mo), %		0
Molybdenum (Mo), %		6.0 to 7.0

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.3

Palladium (Pd), %		8.0 to 12
Palladium (Pd), %		0

Phosphorus (P), %		0 to 0.0020
Phosphorus (P), %		0 to 0.030

Silicon (Si), %		0
Silicon (Si), %		0.3 to 0.55

Silver (Ag), %		57 to 59
Silver (Ag), %		0

Sulfur (S), %		0
Sulfur (S), %		0 to 0.030

Tungsten (W), %		0
Tungsten (W), %		5.0 to 5.8

Vanadium (V), %		0
Vanadium (V), %		1.9 to 2.2

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