AWS BVAg-29 vs. SAE-AISI M42 Steel

AWS BVAg-29 belongs to the otherwise unclassified metals classification, while SAE-AISI M42 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-29 and the bottom bar is SAE-AISI M42 steel.

AWS BVAg-29 (P07627) Vacuum Service Filler Metal SAE-AISI M42 (T11342) Molybdenum High-Speed Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		73
Elastic (Young's, Tensile) Modulus, GPa		200

Poisson's Ratio		0.37
Poisson's Ratio		0.29

Shear Modulus, GPa		27
Shear Modulus, GPa		78

Tensile Strength: Ultimate (UTS), MPa		180
Tensile Strength: Ultimate (UTS), MPa		810 to 2310

Thermal Properties

Latent Heat of Fusion, J/g		120
Latent Heat of Fusion, J/g		270

Melting Completion (Liquidus), °C		710
Melting Completion (Liquidus), °C		1540

Melting Onset (Solidus), °C		620
Melting Onset (Solidus), °C		1490

Specific Heat Capacity, J/kg-K		270
Specific Heat Capacity, J/kg-K		450

Thermal Expansion, µm/m-K		20
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Density, g/cm³		9.7
Density, g/cm³		8.2

Common Calculations

Stiffness to Weight: Axial, points		4.2
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		14
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		5.2
Strength to Weight: Axial, points		28 to 79

Strength to Weight: Bending, points		7.3
Strength to Weight: Bending, points		24 to 48

Thermal Shock Resistance, points		8.8
Thermal Shock Resistance, points		25 to 71

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), %		3.5 to 4.3

Cobalt (Co), %		0
Cobalt (Co), %		7.8 to 8.8

Copper (Cu), %		22.5 to 25.5
Copper (Cu), %		0 to 0.25

Indium (In), %		14 to 15
Indium (In), %		0

Iron (Fe), %		0
Iron (Fe), %		76.3 to 81

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

Manganese (Mn), %		0
Manganese (Mn), %		0.15 to 0.4

Molybdenum (Mo), %		0
Molybdenum (Mo), %		9.0 to 10

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

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

Silicon (Si), %		0
Silicon (Si), %		0.15 to 0.65

Silver (Ag), %		60.5 to 62.5
Silver (Ag), %		0

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

Tungsten (W), %		0
Tungsten (W), %		1.2 to 1.9

Vanadium (V), %		0
Vanadium (V), %		1.0 to 1.4

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