AWS E312 vs. CR022A Copper

AWS E312 belongs to the iron alloys classification, while CR022A copper belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS E312 and the bottom bar is CR022A 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, %		15

Poisson's Ratio		0.27
Poisson's Ratio		0.34

Shear Modulus, GPa		80
Shear Modulus, GPa		43

Tensile Strength: Ultimate (UTS), MPa		740
Tensile Strength: Ultimate (UTS), MPa		230

Thermal Properties

Latent Heat of Fusion, J/g		310
Latent Heat of Fusion, J/g		210

Melting Completion (Liquidus), °C		1410
Melting Completion (Liquidus), °C		1090

Melting Onset (Solidus), °C		1360
Melting Onset (Solidus), °C		1040

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		31

Density, g/cm³		7.7
Density, g/cm³		9.0

Embodied Carbon, kg CO₂/kg material		3.6
Embodied Carbon, kg CO₂/kg material		2.6

Embodied Energy, MJ/kg		52
Embodied Energy, MJ/kg		41

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

Common Calculations

Stiffness to Weight: Axial, points		15
Stiffness to Weight: Axial, points		7.2

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		18

Strength to Weight: Axial, points		27
Strength to Weight: Axial, points		7.1

Strength to Weight: Bending, points		24
Strength to Weight: Bending, points		9.3

Thermal Shock Resistance, points		18
Thermal Shock Resistance, points		8.1

Alloy Composition

Antimony (Sb), %		0
Antimony (Sb), %		0 to 0.00040

Arsenic (As), %		0
Arsenic (As), %		0 to 0.00050

Bismuth (Bi), %		0
Bismuth (Bi), %		0 to 0.00020

Cadmium (Cd), %		0
Cadmium (Cd), %		0 to 0.00010

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), %		99.99 to 99.999

Iron (Fe), %		52.3 to 63.5
Iron (Fe), %		0 to 0.0010

Lead (Pb), %		0
Lead (Pb), %		0 to 0.00050

Manganese (Mn), %		0.5 to 2.5
Manganese (Mn), %		0 to 0.00050

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

Nickel (Ni), %		8.0 to 10.5
Nickel (Ni), %		0 to 0.0010

Phosphorus (P), %		0 to 0.040
Phosphorus (P), %		0.0010 to 0.0060

Selenium (Se), %		0
Selenium (Se), %		0 to 0.00020

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

Silver (Ag), %		0
Silver (Ag), %		0 to 0.0025

Sulfur (S), %		0 to 0.030
Sulfur (S), %		0 to 0.0015

Tellurium (Te), %		0
Tellurium (Te), %		0 to 0.00020

Tin (Sn), %		0
Tin (Sn), %		0 to 0.00020

Zinc (Zn), %		0
Zinc (Zn), %		0 to 0.00010