CORROSION OF VARIOUS METALS AND ALLOYS BY PHOSGENE, HYDROGEN CHLORIDE, AND CARBON TETRACHLORIDE AT 400-600C.

Technical Report · Sat Apr 01 04:00:00 EST 1961

OSTI ID:4843512

Walker, W L

Of the materials investigated, Hastelloy B and Hastelloy C appeared to be most suitable for service where using phosgene or carbon tetrachloride as the chlorinating agent. These alloys exhibited corrosion rates of 0.2 to 11 mils penetration per month at 400 to 600 deg C. Haynes 25 and Chlorimet 2 exhibited corrosion rates nearly identical with the Hastelloys. However, the initial cost expense of Haynes 25 is about twice that of the Hastelloys. Chlorimet 2 is available only in the cast form and has undesirable mechanical properties. Commercially pure nickel exhibited corrosion rates similar to the Hastelloys, but nickel contamination of the product is a problem. Planinum, gold, and Baker 413 (a gold-platinum-palladium alloy) were severely attacked by the phosgene system and were considered unsuitable for the carbon tetrachloride system because of the possibility of phosgene formation. However, in the hydrogen chloride system, the precious metals and Baker 413 exhibited corrosion rates of 0.01 to 0.4 mils penetration per month at 400 to 600 deg C. A variety of metals and alloys were exposed to the off-gas stream from the phosgene system. Severe corrosion occurred when the sample temperatures were low enough to permit condensation. (auth)

• Research Organization: General Electric Co. Hanford Atomic Products Operation, Richland, Wash.
• DOE Contract Number: AT(45-1)-1350
• NSA Number: NSA-15-027993
• OSTI ID: 4843512
• Report Number(s): HW-68738
• Country of Publication: United States
• Language: English

Related Subjects

CARBON COMPOUNDS
CARBON TETRACHLORIDE
CARBONYLS
CHLORIDES
CHLORINATION
CHROMIUM ALLOYS
COBALT ALLOYS
CONTAMINATION
CORROSION
GOLD
GOLD ALLOYS
HYDROCHLORIC ACID
LIQUEFYING
MECHANICAL PROPERTIES
METALS, CERAMICS, AND OTHER MATERIALS
NICKEL
NICKEL ALLOYS
PALLADIUM ALLOYS
PHOSGENE
PLATINUM
PLATINUM ALLOYS