AWS ENiCu-7 vs. Grade 704C Zirconium

AWS ENiCu-7 belongs to the nickel alloys classification, while grade 704C zirconium belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS ENiCu-7 and the bottom bar is grade 704C zirconium.

AWS ENiCu-7 (W84190) Weld Metal Grade 704C Cast Zirconium

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		160
Elastic (Young's, Tensile) Modulus, GPa		97

Elongation at Break, %		34
Elongation at Break, %		11

Poisson's Ratio		0.32
Poisson's Ratio		0.34

Shear Modulus, GPa		62
Shear Modulus, GPa		36

Tensile Strength: Ultimate (UTS), MPa		550
Tensile Strength: Ultimate (UTS), MPa		470

Thermal Properties

Latent Heat of Fusion, J/g		280
Latent Heat of Fusion, J/g		240

Specific Heat Capacity, J/kg-K		430
Specific Heat Capacity, J/kg-K		270

Thermal Conductivity, W/m-K		21
Thermal Conductivity, W/m-K		21

Thermal Expansion, µm/m-K		13
Thermal Expansion, µm/m-K		5.9

Otherwise Unclassified Properties

Density, g/cm³		8.7
Density, g/cm³		6.7

Embodied Water, L/kg		250
Embodied Water, L/kg		460

Common Calculations

Stiffness to Weight: Axial, points		10
Stiffness to Weight: Axial, points		8.1

Stiffness to Weight: Bending, points		21
Stiffness to Weight: Bending, points		23

Strength to Weight: Axial, points		17
Strength to Weight: Axial, points		20

Strength to Weight: Bending, points		17
Strength to Weight: Bending, points		20

Thermal Diffusivity, mm²/s		5.5
Thermal Diffusivity, mm²/s		12

Thermal Shock Resistance, points		18
Thermal Shock Resistance, points		58

Alloy Composition

Aluminum (Al), %		0 to 0.75
Aluminum (Al), %		0

Carbon (C), %		0 to 0.1
Carbon (C), %		0 to 0.1

Copper (Cu), %		20.6 to 38
Copper (Cu), %		0

Hafnium (Hf), %		0
Hafnium (Hf), %		0 to 4.5

Hydrogen (H), %		0
Hydrogen (H), %		0 to 0.0050

Iron (Fe), %		0 to 2.5
Iron (Fe), %		0 to 0.3

Manganese (Mn), %		0 to 4.0
Manganese (Mn), %		0

Nickel (Ni), %		62 to 69
Nickel (Ni), %		0

Nitrogen (N), %		0
Nitrogen (N), %		0 to 0.030

Oxygen (O), %		0
Oxygen (O), %		0 to 0.3

Phosphorus (P), %		0 to 0.020
Phosphorus (P), %		0 to 0.010

Silicon (Si), %		0 to 1.5
Silicon (Si), %		0

Sulfur (S), %		0 to 0.015
Sulfur (S), %		0

Tin (Sn), %		0
Tin (Sn), %		1.0 to 2.0

Titanium (Ti), %		0 to 1.0
Titanium (Ti), %		0

Zirconium (Zr), %		0
Zirconium (Zr), %		92.9 to 99

Residuals, %		0 to 0.5
Residuals, %		0