Pickling high-grade steel

Details Pickling high-grade steel Pickling high-grade steel

1991-07-19

1992-07-14

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

C25F 106

Patent

active

051300001

ABSTRACT:
Process for pickling high-grade steel, preferably high-grade steel hot strip, the high-grade steel being subjected to pickling with neutral electrolyte as well as to an after-treatment with mixed acid, nitric acid or a mixture of iron fluoride and hydrofluoric acid, the pickling with neutral electrolyte being preceded by a pre-treatment with sulfuric acid.

REFERENCES:
patent: 4851092 (1989-07-01), Maresch
patent: 4994157 (1991-02-01), Itoh

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