AWS E120C-K4 vs. AWS BVAg-18

AWS E120C-K4 belongs to the iron alloys classification, while AWS BVAg-18 belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS E120C-K4 and the bottom bar is AWS BVAg-18.

AWS E120C-K4 or E83C-K4 Weld Metal AWS BVAg-18 (P07607) Vacuum Service Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		82

Poisson's Ratio		0.29
Poisson's Ratio		0.36

Shear Modulus, GPa		73
Shear Modulus, GPa		30

Tensile Strength: Ultimate (UTS), MPa		950
Tensile Strength: Ultimate (UTS), MPa		180

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		140

Melting Completion (Liquidus), °C		1460
Melting Completion (Liquidus), °C		720

Melting Onset (Solidus), °C		1410
Melting Onset (Solidus), °C		600

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		280

Thermal Expansion, µm/m-K		13
Thermal Expansion, µm/m-K		19

Otherwise Unclassified Properties

Density, g/cm³		7.8
Density, g/cm³		9.7

Embodied Carbon, kg CO₂/kg material		1.7
Embodied Carbon, kg CO₂/kg material		59

Embodied Energy, MJ/kg		23
Embodied Energy, MJ/kg		930

Common Calculations

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

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

Strength to Weight: Axial, points		34
Strength to Weight: Axial, points		5.1

Strength to Weight: Bending, points		27
Strength to Weight: Bending, points		7.3

Thermal Shock Resistance, points		28
Thermal Shock Resistance, points		8.1

Alloy Composition

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

Carbon (C), %		0 to 0.15
Carbon (C), %		0 to 0.0050

Chromium (Cr), %		0.15 to 0.65
Chromium (Cr), %		0

Copper (Cu), %		0 to 0.35
Copper (Cu), %		28.5 to 31.5

Iron (Fe), %		92.1 to 98.4
Iron (Fe), %		0

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

Manganese (Mn), %		0.75 to 2.3
Manganese (Mn), %		0

Molybdenum (Mo), %		0.25 to 0.65
Molybdenum (Mo), %		0

Nickel (Ni), %		0.5 to 2.5
Nickel (Ni), %		0

Phosphorus (P), %		0 to 0.025
Phosphorus (P), %		0 to 0.0020

Silicon (Si), %		0 to 0.8
Silicon (Si), %		0

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

Sulfur (S), %		0 to 0.025
Sulfur (S), %		0

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

Vanadium (V), %		0 to 0.030
Vanadium (V), %		0

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

Residuals, %		0 to 0.5
Residuals, %		0