Pickling process for heat-resistant alloy articles

Details Pickling process for heat-resistant alloy articles Pickling process for heat-resistant alloy articles

1987-01-29

1987-11-17

Corbin, Arthur L.

Cleaning and liquid contact with solids

Processes

For metallic, siliceous, or calcareous basework, including...

134 28, 134 29, 134 41, C23G 102

Patent

active

047071915

ABSTRACT:
A pickling bath for iron or nickel based heat-resistance alloy article having at least 3.5% molybdenum is disclosed. The bath consists of an aqueous solution of hydrochloric acid, nitric acid, acetic acid, phosphoric acid and further contains a ferric salt. Processes for using the bath to treat said alloy articles are also disclosed.

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Chem. Ab. 88:40722k.

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