AWS E430Nb vs. Grade 704C Zirconium

AWS E430Nb belongs to the iron 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 (13, in this case) are not shown.

For each property being compared, the top bar is AWS E430Nb and the bottom bar is grade 704C zirconium.

AWS E430Nb (W43011) Weld Metal Grade 704C Cast Zirconium

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		200
Elastic (Young's, Tensile) Modulus, GPa		97

Elongation at Break, %		23
Elongation at Break, %		11

Poisson's Ratio		0.28
Poisson's Ratio		0.34

Shear Modulus, GPa		77
Shear Modulus, GPa		36

Tensile Strength: Ultimate (UTS), MPa		500
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		480
Specific Heat Capacity, J/kg-K		270

Thermal Conductivity, W/m-K		24
Thermal Conductivity, W/m-K		21

Thermal Expansion, µm/m-K		14
Thermal Expansion, µm/m-K		5.9

Otherwise Unclassified Properties

Density, g/cm³		7.7
Density, g/cm³		6.7

Embodied Water, L/kg		120
Embodied Water, L/kg		460

Common Calculations

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		8.1

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		23

Strength to Weight: Axial, points		18
Strength to Weight: Axial, points		20

Strength to Weight: Bending, points		18
Strength to Weight: Bending, points		20

Thermal Diffusivity, mm²/s		6.6
Thermal Diffusivity, mm²/s		12

Thermal Shock Resistance, points		13
Thermal Shock Resistance, points		58

Alloy Composition

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

Chromium (Cr), %		15 to 18
Chromium (Cr), %		0

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

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

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

Iron (Fe), %		76.2 to 84.5
Iron (Fe), %		0 to 0.3

Manganese (Mn), %		0 to 1.0
Manganese (Mn), %		0

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

Nickel (Ni), %		0 to 0.6
Nickel (Ni), %		0

Niobium (Nb), %		0.5 to 1.5
Niobium (Nb), %		0

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

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

Phosphorus (P), %		0 to 0.040
Phosphorus (P), %		0 to 0.010

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

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

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

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