AWS BVAg-6b vs. S21640 Stainless Steel

AWS BVAg-6b belongs to the otherwise unclassified metals classification, while S21640 stainless steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-6b and the bottom bar is S21640 stainless steel.

AWS BVAg-6b (P07507) Vacuum Service Filler Metal UNS S21640 Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		93
Elastic (Young's, Tensile) Modulus, GPa		200

Poisson's Ratio		0.35
Poisson's Ratio		0.28

Shear Modulus, GPa		35
Shear Modulus, GPa		78

Tensile Strength: Ultimate (UTS), MPa		180
Tensile Strength: Ultimate (UTS), MPa		740

Thermal Properties

Latent Heat of Fusion, J/g		160
Latent Heat of Fusion, J/g		290

Melting Completion (Liquidus), °C		870
Melting Completion (Liquidus), °C		1430

Melting Onset (Solidus), °C		780
Melting Onset (Solidus), °C		1380

Specific Heat Capacity, J/kg-K		310
Specific Heat Capacity, J/kg-K		480

Thermal Expansion, µm/m-K		19
Thermal Expansion, µm/m-K		17

Otherwise Unclassified Properties

Density, g/cm³		9.7
Density, g/cm³		7.7

Embodied Carbon, kg CO₂/kg material		49
Embodied Carbon, kg CO₂/kg material		3.6

Embodied Energy, MJ/kg		770
Embodied Energy, MJ/kg		51

Common Calculations

Stiffness to Weight: Axial, points		5.3
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		16
Stiffness to Weight: Bending, points		25

Strength to Weight: Axial, points		5.1
Strength to Weight: Axial, points		27

Strength to Weight: Bending, points		7.3
Strength to Weight: Bending, points		23

Thermal Shock Resistance, points		7.4
Thermal Shock Resistance, points		16

Alloy Composition

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

Carbon (C), %		0 to 0.0050
Carbon (C), %		0 to 0.080

Chromium (Cr), %		0
Chromium (Cr), %		17.5 to 19.5

Copper (Cu), %		49 to 51
Copper (Cu), %		0

Iron (Fe), %		0
Iron (Fe), %		63 to 74.3

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

Manganese (Mn), %		0
Manganese (Mn), %		3.5 to 6.5

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0.5 to 2.0

Nickel (Ni), %		0
Nickel (Ni), %		4.0 to 6.5

Niobium (Nb), %		0
Niobium (Nb), %		0.1 to 1.0

Nitrogen (N), %		0
Nitrogen (N), %		0.080 to 0.3

Phosphorus (P), %		0 to 0.0020
Phosphorus (P), %		0 to 0.060

Silicon (Si), %		0
Silicon (Si), %		0 to 1.0

Silver (Ag), %		49 to 51
Silver (Ag), %		0

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

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