AWS E630 vs. R60704 Alloy

AWS E630 belongs to the iron alloys classification, while R60704 alloy 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 E630 and the bottom bar is R60704 alloy.

AWS E630 (W37410) Weld Metal UNS R60704 Zirconium-Tin Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		97

Elongation at Break, %		8.0
Elongation at Break, %		16

Poisson's Ratio		0.28
Poisson's Ratio		0.34

Shear Modulus, GPa		76
Shear Modulus, GPa		36

Tensile Strength: Ultimate (UTS), MPa		1040
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		470
Specific Heat Capacity, J/kg-K		270

Thermal Conductivity, W/m-K		17
Thermal Conductivity, W/m-K		22

Thermal Expansion, µm/m-K		14
Thermal Expansion, µm/m-K		6.0

Otherwise Unclassified Properties

Density, g/cm³		7.8
Density, g/cm³		6.7

Embodied Water, L/kg		140
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		37
Strength to Weight: Axial, points		20

Strength to Weight: Bending, points		29
Strength to Weight: Bending, points		20

Thermal Diffusivity, mm²/s		4.5
Thermal Diffusivity, mm²/s		12

Thermal Shock Resistance, points		28
Thermal Shock Resistance, points		58

Alloy Composition

Carbon (C), %		0 to 0.050
Carbon (C), %		0 to 0.050

Chromium (Cr), %		16 to 16.8
Chromium (Cr), %		0.2 to 0.4

Copper (Cu), %		3.3 to 4.0
Copper (Cu), %		0

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

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

Iron (Fe), %		71.6 to 75.9
Iron (Fe), %		0.2 to 0.4

Manganese (Mn), %		0.25 to 0.75
Manganese (Mn), %		0

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

Nickel (Ni), %		4.5 to 5.0
Nickel (Ni), %		0

Niobium (Nb), %		0.15 to 0.3
Niobium (Nb), %		0

Nitrogen (N), %		0
Nitrogen (N), %		0 to 0.025

Oxygen (O), %		0
Oxygen (O), %		0 to 0.18

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

Silicon (Si), %		0 to 0.75
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), %		93 to 98.8