Prices and Pricing for Scrap Used Catalytic Converters

Catalytic Converter Prices : Used and Scrap converter prices : Recycle prices for old catalytic converters from cars and trucks : Depending upon the brand of converter, or which vehicle that the catalyitc converter is from, prices can vary from two to three figures.
Used Catalytic Converter Scrap Prices - The used cut off converter from your automobile or truck is considered recycle used and scrap precious metals. Used Catalytic Convertor Scrap shall consist of many assorted sizes of whole intact scrap used catalytic converters for pricing. The catalyst must not be removed from inside the used converter. Foils, Wraps, After Market and pre~converters may be included but are typically counted on a 3 for 1 basis for prices.

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How Converter Fails : Used Converter Pricing

"There are four main reasons for converter failure are High NOx, Exhaust Emissions Overheated, Melted or Broken Coated / Oil-Fouled Substrate Structural Damage.
Four primary types of converter failures. The first is what we call poisoning. Poisoning is the contamination of the converters internal honeycombed substrate. Once this substrate has been contaminated it loses its ability to clean up emmissions. (UCP This will not affect pricing or prices for recycling.)
A few common poisons that will destroy the substrate are: antifreeze, leaded gasoline and some engine oil additives. And certain chemical sealants that are incorrectly used when servicing gaskets.
Antifreeze in the exhaust stream indicates a serious problem with the engine. Probably a cracked or leaking cylinder head or failed intake manifold gasket. Intake manifold leaks in particular have become a real problem due to the use of composite intake manifolds. In each of these cases, the issue obviously needs to be resolved before the converter can be replaced.
Leaded fuel should never be used with a vehicle equipped with a catalytic converter, as the lead will quickly damaged the honeycombed structure.
Some performance enthusiasts use oil additives containing zinc which is claimed to reduce engine wear. The problem is, oil companies significantly reduce the amount of zinc in their oil formulations specifically to prevent converter damage. So save yourself some trouble down the road by avoiding zinc-based additives. Poisoning can also be caused by the use of non-converter friendly silicone sealants in the engine or exhaust system. If you are going to use a silicone sealant, be sure to select one that won't harm the catalytist. The second type of converter failure is a coated or oil fouled substrate. Here is a great example of what this damage looks like. (UCP Pricing : The substrate must still be inside the converter container.)
The substrate is a ceramic brick with small square channels. Its surfaces are covered with a wash coat and a mixture of precious metals that create the chemical reactions needed to clean up engine emmissions. If the precious metals cannot make contact with exhaust flow, the gases leaving the converter won't meet emmissions requirements.
The most common causes of coated substrate are excessive carbon build up and excessive oil consumption. A serious oil consumption problem is usually a sign of severe engine wear. You must repair the engine before installing a new converter. Otherwise, the replacement converter will suffer the same fate. The third type of converter failure is an over-heated or melted substrate. This is usually a sign that the converter has been forced to work too hard and generate too much heat to do excessive hydrocarbons, carbon monoxide and oxygen in the exhaust stream.
The most common contributor to this issue is a fuel control or fuel quality problem. Other potential causes are worn O2 sensors, a restricted air clean, low engine compression, poor spark or weak ignition and excessive engine load.
Structural damage is the fourth primary cause of converter failure. By far the most common scenario is physical damage from road debree, which should be easy to see on a converter shielded shell. Other types of physical damage are corrosion from road salt, metal fatigue, stress fractures, stripped O2 sensor threads and failure of the flex pipe or air gap pipe.
(UCP Prices for scrap used converters subject to non-broken shell.)
Another very common form of physical damage comes when the converter is operating at a high temperature and is suddenly cold quenched in water from a deep puddle or perhaps snow or ice. This thermal shock can destroy the ceramic substrate. ...
The four primary types of converter failure. Bottom line: These components don't fail on their own. An outside issue often related to the ignition, fuel system, engine or engine controls has caused the failure. And you've got to fix the root cause if you want your replacement converter to last."
Why Catalytic Converters Fail - Exhaust Video Series

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2011/12 Used Converter Prices