Corrosion resistance chart

Corrosion Resistance Chart, Sheldons Manufacturing Corp., 1400 Sheldon Drive, Elgin, IE, 60120. 

CORROSION RESISTANCE CHART FOR TITANIUM, ZIRCONIUM, TANTALUM... 

The several manufacturers of chemical resistant mortars and cements publish extensive charts listing their products and various corrosive agents. Such charts indicate the degree of resistance of the cements and mortars. These manufacturers also publish details of corrosion resistant masonry construction. The technical representatives can be of help, however, the degree of expertise of these representatives varies widely from excellent to order taker so they are suspect until proven otherwise. 

Part UCL—Clad plate and corrosion resistant liners Design Temperature UG-20 Porosity Charts Appx. 4... 

Corrosive wear can usually be identified by a pitted, worn surface. The best solution to corrosive wear is to eliminate the corrosive component from the compound. However, this is often not possible for other reasons. In this case, one has to use corrosion-resistant materials of construction, such as stainless steel. Inconel, Hastelloy, etc. In order to select the best material of construction, one should know the chemical species that are causing the corrosive attack. Various metal handbooks contain information about the chemical resistance of many metals against a number of chemical species. Figure 11.12 shows a flow chart that allows systematic troubleshooting of wear problems. 

Each of the following charts provides the compatibility of the various lining materials with the specific corrodent listed. The chemicals listed are in the pure state or in a saturated solution unless otherwise indicated. Compatibility is shown to the maximum allowable temperature for which data are available. Incompatibility is shown by an x. A blank space indicates that data are unavailable. Data are taken from Philip A. Schweitzer, Corrosion Resistance Tables, 4th ed., vols. 1-3, Marcel Dekker, New York, 1995. 

M. Abtew et al. published a chart of the electromagnetic force (EMF) of various metal couples present in some lead-free solder alloys. As a rule, the lower the EMF, the more corrosion-resistant the alloy. Eutectic Sn-Pb, the basis of comparison, was by far the lowest value on the list at 0.010 volts. The next nearest, Sn-51In, was 0.201 volts or 20 times the voltage... 

Corrosion resistance of tantalum in phosphoric acid at various concentrations and temperatures. (From General Technologies Corporation. Tantalum, Corrosion Data, Comparative Charts and... 

A. Alon, M. Schor, and A. Vromen. 1966. Corrosion resistance of Ta to mixtures of phosphoric acid and potassium chloride at 120°C, Corrosion, 22 1,1-6. General Technologies Corporation. Tantalum, Corrosion Data, Comparative Charts and Coating Characteristics, A subsidiary of cities service corporation. 

Corrosion resistance to most solvents and corrosive 5) chemicals See compatibility chart.)... 

Use this reference information as a guide only. The information given in the resistance chart is believed to be reliable, but no guarantee is made nor can we assume liability in connection with their use. Please contact the Corrosion Engineering Department for specific recommendations."... 

TRENT ALLOY Characteristics Corrosion Chart A = average, G = good, E = excellent, NR = not recommended, X = call for specific data CORROSION RESISTANCE ... 

Looking into Ashby s Materials Selection Charts [10] it is clear that engineering polymers, wood, and some of the lower-strength engineering alloys will be excluded as the candidate materials for the mast. Corrosion resistance can be considered as a soft requirement, and therefore, it will not be considered in the initial selection. 

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