AWS E312 vs. C70600 Copper-nickel

AWS E312 belongs to the iron alloys classification, while C70600 copper-nickel belongs to the copper alloys. There are 20 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 E312 and the bottom bar is C70600 copper-nickel.

AWS E312 (W31310) Weld Metal UNS C70600 (CW352H) Copper-Nickel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		200
Elastic (Young's, Tensile) Modulus, GPa		120

Elongation at Break, %		25
Elongation at Break, %		3.0 to 34

Poisson's Ratio		0.27
Poisson's Ratio		0.34

Shear Modulus, GPa		80
Shear Modulus, GPa		46

Tensile Strength: Ultimate (UTS), MPa		740
Tensile Strength: Ultimate (UTS), MPa		290 to 570

Thermal Properties

Latent Heat of Fusion, J/g		310
Latent Heat of Fusion, J/g		220

Melting Completion (Liquidus), °C		1410
Melting Completion (Liquidus), °C		1150

Melting Onset (Solidus), °C		1360
Melting Onset (Solidus), °C		1100

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		390

Thermal Expansion, µm/m-K		15
Thermal Expansion, µm/m-K		17

Otherwise Unclassified Properties

Base Metal Price, % relative		20
Base Metal Price, % relative		33

Density, g/cm³		7.7
Density, g/cm³		8.9

Embodied Carbon, kg CO₂/kg material		3.6
Embodied Carbon, kg CO₂/kg material		3.4

Embodied Energy, MJ/kg		52
Embodied Energy, MJ/kg		51

Embodied Water, L/kg		200
Embodied Water, L/kg		300

Common Calculations

Stiffness to Weight: Axial, points		15
Stiffness to Weight: Axial, points		7.7

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		19

Strength to Weight: Axial, points		27
Strength to Weight: Axial, points		9.1 to 18

Strength to Weight: Bending, points		24
Strength to Weight: Bending, points		11 to 17

Thermal Shock Resistance, points		18
Thermal Shock Resistance, points		9.8 to 19

Alloy Composition

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

Chromium (Cr), %		28 to 32
Chromium (Cr), %		0

Copper (Cu), %		0 to 0.75
Copper (Cu), %		84.7 to 90

Iron (Fe), %		52.3 to 63.5
Iron (Fe), %		1.0 to 1.8

Lead (Pb), %		0
Lead (Pb), %		0 to 0.050

Manganese (Mn), %		0.5 to 2.5
Manganese (Mn), %		0 to 1.0

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

Nickel (Ni), %		8.0 to 10.5
Nickel (Ni), %		9.0 to 11

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

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

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

Zinc (Zn), %		0
Zinc (Zn), %		0 to 1.0

Residuals, %		0
Residuals, %		0 to 0.5