AWS E312 vs. C17300 Copper

AWS E312 belongs to the iron alloys classification, while C17300 copper belongs to the copper alloys. There are 19 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 C17300 copper.

AWS E312 (W31310) Weld Metal UNS C17300 (CW102C) Beryllium Copper

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 23

Poisson's Ratio		0.27
Poisson's Ratio		0.33

Shear Modulus, GPa		80
Shear Modulus, GPa		45

Tensile Strength: Ultimate (UTS), MPa		740
Tensile Strength: Ultimate (UTS), MPa		500 to 1380

Thermal Properties

Latent Heat of Fusion, J/g		310
Latent Heat of Fusion, J/g		230

Melting Completion (Liquidus), °C		1410
Melting Completion (Liquidus), °C		980

Melting Onset (Solidus), °C		1360
Melting Onset (Solidus), °C		870

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		380

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

Otherwise Unclassified Properties

Density, g/cm³		7.7
Density, g/cm³		8.8

Embodied Carbon, kg CO₂/kg material		3.6
Embodied Carbon, kg CO₂/kg material		9.4

Embodied Energy, MJ/kg		52
Embodied Energy, MJ/kg		150

Embodied Water, L/kg		200
Embodied Water, L/kg		310

Common Calculations

Stiffness to Weight: Axial, points		15
Stiffness to Weight: Axial, points		7.6

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

Strength to Weight: Axial, points		27
Strength to Weight: Axial, points		16 to 44

Strength to Weight: Bending, points		24
Strength to Weight: Bending, points		16 to 31

Thermal Shock Resistance, points		18
Thermal Shock Resistance, points		17 to 48

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.2

Beryllium (Be), %		0
Beryllium (Be), %		1.8 to 2.0

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), %		95.5 to 97.8

Iron (Fe), %		52.3 to 63.5
Iron (Fe), %		0 to 0.4

Lead (Pb), %		0
Lead (Pb), %		0.2 to 0.6

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

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

Nickel (Ni), %		8.0 to 10.5
Nickel (Ni), %		0.2 to 0.6

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

Silicon (Si), %		0 to 1.0
Silicon (Si), %		0 to 0.2

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

Residuals, %		0
Residuals, %		0 to 0.5