AWS BVAg-18 vs. N08020 Stainless Steel

AWS BVAg-18 belongs to the otherwise unclassified metals classification, while N08020 stainless steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-18 and the bottom bar is N08020 stainless steel.

AWS BVAg-18 (P07607) Vacuum Service Filler Metal UNS N08020 (2.4660) Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		82
Elastic (Young's, Tensile) Modulus, GPa		200

Poisson's Ratio		0.36
Poisson's Ratio		0.28

Shear Modulus, GPa		30
Shear Modulus, GPa		77

Tensile Strength: Ultimate (UTS), MPa		180
Tensile Strength: Ultimate (UTS), MPa		610 to 620

Thermal Properties

Latent Heat of Fusion, J/g		140
Latent Heat of Fusion, J/g		300

Melting Completion (Liquidus), °C		720
Melting Completion (Liquidus), °C		1410

Melting Onset (Solidus), °C		600
Melting Onset (Solidus), °C		1360

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

Thermal Expansion, µm/m-K		19
Thermal Expansion, µm/m-K		15

Otherwise Unclassified Properties

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

Embodied Carbon, kg CO₂/kg material		59
Embodied Carbon, kg CO₂/kg material		6.6

Embodied Energy, MJ/kg		930
Embodied Energy, MJ/kg		92

Common Calculations

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

Stiffness to Weight: Bending, points		15
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		5.1
Strength to Weight: Axial, points		21

Strength to Weight: Bending, points		7.3
Strength to Weight: Bending, points		20

Thermal Shock Resistance, points		8.1
Thermal Shock Resistance, points		15

Alloy Composition

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

Carbon (C), %		0 to 0.0050
Carbon (C), %		0 to 0.070

Chromium (Cr), %		0
Chromium (Cr), %		19 to 21

Copper (Cu), %		28.5 to 31.5
Copper (Cu), %		3.0 to 4.0

Iron (Fe), %		0
Iron (Fe), %		29.9 to 44

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

Manganese (Mn), %		0
Manganese (Mn), %		0 to 2.0

Molybdenum (Mo), %		0
Molybdenum (Mo), %		2.0 to 3.0

Nickel (Ni), %		0
Nickel (Ni), %		32 to 38

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

Phosphorus (P), %		0 to 0.0020
Phosphorus (P), %		0 to 0.045

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

Silver (Ag), %		59 to 61
Silver (Ag), %		0

Sulfur (S), %		0
Sulfur (S), %		0 to 0.035

Tin (Sn), %		9.5 to 10.5
Tin (Sn), %		0

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