AWS ERNiCu-7 vs. Grade 705C Zirconium

AWS ERNiCu-7 belongs to the nickel alloys classification, while grade 705C 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 ERNiCu-7 and the bottom bar is grade 705C zirconium.

AWS ERNiCu-7 (N04060) Weld Metal Grade 705C Cast Zirconium

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		160
Elastic (Young's, Tensile) Modulus, GPa		98

Elongation at Break, %		34
Elongation at Break, %		13

Poisson's Ratio		0.32
Poisson's Ratio		0.34

Shear Modulus, GPa		61
Shear Modulus, GPa		36

Tensile Strength: Ultimate (UTS), MPa		550
Tensile Strength: Ultimate (UTS), MPa		540

Thermal Properties

Latent Heat of Fusion, J/g		280
Latent Heat of Fusion, J/g		250

Specific Heat Capacity, J/kg-K		440
Specific Heat Capacity, J/kg-K		270

Thermal Conductivity, W/m-K		20
Thermal Conductivity, W/m-K		18

Thermal Expansion, µm/m-K		13
Thermal Expansion, µm/m-K		5.7

Otherwise Unclassified Properties

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

Embodied Water, L/kg		250
Embodied Water, L/kg		450

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		18
Strength to Weight: Axial, points		22

Strength to Weight: Bending, points		17
Strength to Weight: Bending, points		22

Thermal Diffusivity, mm²/s		5.3
Thermal Diffusivity, mm²/s		9.9

Thermal Shock Resistance, points		19
Thermal Shock Resistance, points		69

Alloy Composition

Aluminum (Al), %		0 to 1.3
Aluminum (Al), %		0

Carbon (C), %		0 to 0.15
Carbon (C), %		0 to 0.1

Copper (Cu), %		18.3 to 36.5
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

Niobium (Nb), %		0
Niobium (Nb), %		2.0 to 3.0

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

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

Phosphorus (P), %		0 to 0.030
Phosphorus (P), %		0 to 0.010

Silicon (Si), %		0 to 1.3
Silicon (Si), %		0

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

Titanium (Ti), %		1.5 to 3.0
Titanium (Ti), %		0

Zirconium (Zr), %		0
Zirconium (Zr), %		91.9 to 98

Residuals, %		0 to 0.5
Residuals, %		0