AWS E219 vs. ASTM B628 Ag-Cu

AWS E219 belongs to the iron alloys classification, while ASTM B628 Ag-Cu belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS E219 and the bottom bar is ASTM B628 Ag-Cu.

AWS E219 (W32310) Weld Metal ASTM B628 Silver-Copper Eutectic Electrical Contact Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		200
Elastic (Young's, Tensile) Modulus, GPa		83

Elongation at Break, %		17
Elongation at Break, %		1.1 to 17

Poisson's Ratio		0.28
Poisson's Ratio		0.36

Shear Modulus, GPa		78
Shear Modulus, GPa		31

Tensile Strength: Ultimate (UTS), MPa		690
Tensile Strength: Ultimate (UTS), MPa		350 to 760

Thermal Properties

Latent Heat of Fusion, J/g		290
Latent Heat of Fusion, J/g		140

Melting Completion (Liquidus), °C		1400
Melting Completion (Liquidus), °C		780

Melting Onset (Solidus), °C		1360
Melting Onset (Solidus), °C		780

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		280

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

Otherwise Unclassified Properties

Density, g/cm³		7.7
Density, g/cm³		10

Common Calculations

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		4.6

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		14

Strength to Weight: Axial, points		25
Strength to Weight: Axial, points		9.5 to 21

Strength to Weight: Bending, points		23
Strength to Weight: Bending, points		11 to 18

Thermal Shock Resistance, points		17
Thermal Shock Resistance, points		16 to 34

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.0050

Cadmium (Cd), %		0
Cadmium (Cd), %		0 to 0.050

Carbon (C), %		0 to 0.060
Carbon (C), %		0

Chromium (Cr), %		19 to 21.5
Chromium (Cr), %		0

Copper (Cu), %		0 to 0.75
Copper (Cu), %		26.6 to 29

Iron (Fe), %		58.6 to 67.4
Iron (Fe), %		0 to 0.050

Lead (Pb), %		0
Lead (Pb), %		0 to 0.030

Manganese (Mn), %		8.0 to 10
Manganese (Mn), %		0

Molybdenum (Mo), %		0 to 0.75
Molybdenum (Mo), %		0

Nickel (Ni), %		5.5 to 7.0
Nickel (Ni), %		0 to 0.010

Nitrogen (N), %		0.1 to 0.3
Nitrogen (N), %		0

Phosphorus (P), %		0 to 0.040
Phosphorus (P), %		0 to 0.030

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

Silver (Ag), %		0
Silver (Ag), %		71 to 73

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

Zinc (Zn), %		0
Zinc (Zn), %		0 to 0.060

Residuals, %		0
Residuals, %		0 to 0.21